Book 1

Blue Box, Vol. 1

by Kouji Miura

Published 1 November 2022
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Taiki admires Chinatsu from afar, but he doubts that she sees him in the same way. Yet somehow, he musters up the courage to tell her to never give up on her dreams! After such a bold declaration, will Taiki’s fleeting high school romance finally begin?

Book 2

Blue Box, Vol. 2

by Kouji Miura

Published 3 January 2023
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton but has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Taiki’s new doubles partner puts him on an intense training regimen that makes his dream of reaching nationals start to feel a little more achievable. Then Taiki meets another badminton player with eyes for Chinatsu. Will this new rival spell the end for Taiki’s romantic aspirations?

Book 3

Blue Box, Vol. 3

by Kouji Miura

Published 7 March 2023
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton but has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

At long last, the prefectural qualifiers for nationals begin! After his intense training with Haryu, Taiki will finally be put to the test in a grueling doubles match. Can Taiki take down opponents from the formidable Sajikawa High School? Or will his dreams of reaching nationals come crashing down around him?

Book 4

Blue Box, Vol. 4

by Kouji Miura

Published 2 May 2023
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

After Taiki pushes himself too hard, Chinatsu nurses him back to health. Even though he never knows the right thing to say, he feels like the distance between them is shrinking rapidly. But with Chinatsu always on his mind, how can Taiki face a courageous Hina suddenly inviting him to the summer festival?

Book 5

Blue Box, Vol. 5

by Kouji Miura

Published 4 July 2023
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Coming to the fireworks festival with Hina has Taiki’s emotions swirling, and that’s before he bumps into a wandering Chinatsu. Together, they help a little girl reunite with her mother, but how will Taiki deal with his muddled feelings when he returns to Hina’s side?

Book 6

Blue Box, Vol. 6

by Kouji Miura

Published 5 September 2023
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

As summer draws to an end, Taiki realizes he may never be able to close the gap between himself and Chinatsu. He takes her to the beach to celebrate her birthday anyway, hoping to cheer her up after a grueling loss. However, their adventure goes awry when an unexpected storm forces them closer than ever before!

Book 7

Blue Box, Vol. 7

by Kouji Miura

Published 7 November 2023
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Taiki participates in a practice match against Sajikawa High School and faces off against Yusa, the rising star who dashed his hopes of attending nationals. To put the past behind him, Taiki must power through and battle his badminton demons head-on!

Book 8

Blue Box, Vol. 8

by Kouji Miura

Published 2 January 2024
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

After the the actor playing the prince in the class play is knocked out of commission, Taiki is asked to take on the role. As nervous as he is, he follows through with the performance—until an accident befalls him and Hina! Can Taiki handle this shift in their already-precarious relationship?

Book 9

Blue Box, Vol. 9

by Kouji Miura

Published 5 March 2024
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

The joint training camp has begun, and Taiki must endure even tougher practices than usual. But all he can think about are Chinatsu and Hina! During the final night of the camp, Taiki finds himself alone with Hina once again and realizes he needs to be more honest with himself—and with her.

Book 10

Blue Box, Vol. 10

by Kouji Miura

Published 7 May 2024
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

After a hectic shopping date, Taiki takes Chinatsu to watch a beautiful sunset. With this perfect atmosphere, Taiki is preparing to tell her something important—when he’s interrupted by Chinatsu’s former teammate! The venom Yumeka unleashes on Chinatsu leaves Taiki stunned. Who exactly is Yumeka, and what ruined her seemingly unbreakable friendship with Chinatsu?

Book 11

Blue Box, Vol. 11

by Kouji Miura

Published 2 July 2024
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Taiki wins a grueling test of endurance against the cool Matsuoka to secure a ticket to Chinatsu’s next basketball game. But he plans to give his prize to Yumeka, hoping she’ll acknowledge the hardworking Chinatsu he’s come to know and love. Will Taiki’s efforts help Chinatsu mend this strained relationship?

Book 12

Blue Box, Vol. 12

by Kouji Miura

Published 1 October 2024
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Winter break is rolling in, but Taiki and Chinatsu won’t be spending it together. Despite a ski trip with his badminton buddies to keep his mind off her, Taiki holds on to the faint hope that he’ll be able to see Chinatsu before school starts again. The time apart has only intensified his feelings for her—and Taiki finally decides it’s time to act!

Book 13

Blue Box, Vol. 13

by Kouji Miura

Published 3 December 2024
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Taiki is preparing to celebrate his 16th birthday with his family when an emergency leaves Chinatsu and Taiki alone together! What kind of present is Chinatsu cooking up for him? And will Taiki’s heart be able to handle it?

Book 14

Blue Box, Vol. 14

by Kouji Miura

Published 4 March 2025
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

With Valentine’s Day fast approaching, an unusually stressed-out Ayame fusses over giving special chocolates to Kyo. Can she follow through despite her fear of rejection? Then, a new school year starts, bringing with it promising first-year athletes. The newest member of the boys’ badminton team makes a bold declaration that Taiki won’t soon forget! 

Book 15

Blue Box, Vol. 15

by Kouji Miura

Published 19 June 2025
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

With nationals approaching, Taiki looks for ways to push himself harder than before. He decides to turn to Hyodo, who puts him through a full spartan training! Then, qualifiers begin for the girls’ basketball team. Chinatsu leads them through the bracket without breaking a sweat—until she faces off against Yumeka for a spot at nationals!

Book 16

Blue Box, Vol. 16

by Kouji Miura

Published 14 August 2025
A badminton guy falls for a basketball girl. Do these sports-crossed lovers have a chance?

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Taiki breezes through the singles prelims and advances to the semifinals—and finds himself pitted against Haryu! Taiki has worked hard to reach Haryu’s level, but with a spot at nationals on the line, can Taiki finally take down one of his closest friends and greatest rivals?