Book 1

Romance! A crazy, overprotective brother! And...spies?

Taiyo Asano has been on his own ever since his parents died. The only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret–she is the head of a family of spies!

Taiyo Asano is a super-shy high school student and the only person he can talk to is his childhood friend Mutsumi Yozakura. However, Mutsumi comes from a line of master spies with amazing powers. Her oldest brother, Kyoichiro, is obsessed with Mutsumi and out to kill anyone who gets remotely near her—and his next target is Taiyo! The only way for Taiyo to save himself from Kyoichiro’s murderous clutches is to marry Mutsumi!

Book 2

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died and the only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret–she is the head of a family of spies! And on top of that, her brother Kyoichiro is dangerously protective of her! To stop Kyoichiro from killing him, Taiyo and Mutsumi must take the ultimate leap–marriage! Because in the Yozakura family, family cannot kill family.

Mutsumi’s been kidnapped by Hanawa, a spy who is a master florist! The entire family is dispatched to save her. Having failed to put up a fight against Hanawa the first time they met, will Taiyo be able to defeat him this time? Later, Taiyo is arrested by a mysterious detective who seems to know a lot more about the Yozakura family than he should…

Book 5

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died and the only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret–she is the head of a family of spies! And on top of that, her brother Kyoichiro is dangerously protective of her! To stop Kyoichiro from killing him, Taiyo and Mutsumi must take the ultimate leap–marriage! Because in the Yozakura family, family cannot kill family.

To find out more information about his deceased parents, Taiyo visits the Library of the Dead. This library is infamous for its strange director, who murders anyone who makes so much as a peep in her domain! While there, he finds out that an organization known as Tanpopo was involved in his family’s deaths. But the documents self-destruct while Taiyo is still inside the library—and that’s way more than just a peep! Later, Taiyo and Mutsumi attempt to infiltrate a hospital known to have connections with Tanpopo, but a doctor there named Kawashita is already one step ahead of them…

Book 6

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died and the only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret–she is the head of a family of spies! And on top of that, her brother Kyoichiro is dangerously protective of her! To stop Kyoichiro from killing him, Taiyo and Mutsumi must take the ultimate leap–marriage! Because in the Yozakura family, family cannot kill family.

The race to track down Tanpopo member Kawashita is on! Taiyo goes undercover at a high-class hotel that sources say has ties to the evil organization. He makes his way to the top floor only to find a new enemy awaiting him! How can Taiyo hope to beat a monstrous foe pumped full of the new secret drug known as Cherry Blossom Leaf Hazakura, which was manufactured to replicate the Yozakura family’s blood?!

Book 7

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died. The only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies!

Searching for Mutsumi’s father, Momo Yozakura, Taiyo infiltrates an excursion steamer connected to Tanpopo. For all his work, he finds no clues. The disappointing failure of a mission changes into an enchanting encounter when he meets a beautiful young woman on the train. But she is no ordinary girl…she is White Snake and a member of the Hazakura battalion!

Book 8

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died. The only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies!

Preparation for Mission: Yozakura Front Lines to capture Kawashita is underway, and the family is getting help from all its allies—and even some old enemies.While the rest of the family is at work, Taiyo receives special training from Grandpa Ban to unlock the Yozakura family’s secret power—Blooming. Every family member, including those married into the family, has their own Blooming, and Taiyo must unlock his before the mission begins. Time is of the essence, and as the decisive battle waits on the horizon, Kyoichiro tasks Taiyo with a heartfelt secondary mission he has to keep secret, even from the other siblings…

Book 9

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died. The only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies!

The attack on the Tanpopo base begins! The Yozakura family quickly discovers the enemy’s top fighters—the Nijibana Rainbow Flowers—all have powers bestowed upon them by the Cherry Blossom Leaf Hazakura serum, and they are almost exactly like the Yozakura family’s Bloomings! Shinzo clashes with Kurosawa while Shion and Kengo tackle Cha-Cha and Aonuma. Meanwhile, Kawashita spares no effort in setting up his mysterious Seed-Sowing Project.

Book 10

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died. The only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies!

Taiyo reaches the depths of Tanpopo’s base, coming face-to-face with Kawashita! When the two clash, Taiyo’s Blooming goes berserk, and he catches a glimpse of Kawashita’s memories. Who is it he sees in the recesses of Kawashita’s shocking past? And will Mission: Yozakura Front Lines succeed?

Book 11

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died. The only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies!

Tsubomi Yozakura comes to Taiyo in his dreams, asking him to kill her! She tells him that in order to do so, he’ll need two things. Following her instructions, Taiyo decides to take on the silver-rank spy advancement exam. Unfortunately for him, the test proctors are all Yozakura siblings…!

Book 12

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died. The only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies!

Taiyo somehow manages to survive the Silver-Rank spy exam, earning his promotion. He finally gets to talk to Kawashita and relay Tsubomi’s desire to perish. He quickly learns that Kawashita also faces an unenviable fate. To make matters worse, Momo Yozakura appears!

Book 13

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died. The only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies!

The Yozakura siblings take a trip to the ominous and decaying Yozakura Residence, which is said to be haunted! There they are confronted by the second head of the Yozakura family, Lady Ninomae. But she’s supposed to be long dead, so what does it mean?!

Book 14

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died and the only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies!

Kyoichiro vanishes, leaving behind only a note that says, “Don’t look for me!” At first, everyone thinks it’s just another one of his typical sulking fits, and they take advantage of his absence to cut loose. But it doesn’t take long for them to realize he’s actually pursuing Momo. The whole family goes after him, only to stumble across a shocking sight!

Book 15

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died. The only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret—she is the head of a family of spies!

The Yozakura siblings finally manage to track down the missing Kyoichiro. Taiyo rushes to join them, but something is clearly wrong with the eldest brother! Infected by the Yozakura family First Head’s poison, his body is sprouting poisonous cherry blossoms. The siblings spring into action to save their slightly annoying but beloved brother!

Book 16

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died and the only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret–she is the head of a family of spies! And on top of that, her brother Kyoichiro is dangerously protective of her! To stop Kyoichiro from killing him, Taiyo and Mutsumi must take the ultimate leap–marriage! Because in the Yozakura family, family cannot kill family.

The battle against the crazy Momo is barely over when the Yozakura siblings get a call from Kai Izumo, president of the Spy Association. A meeting of the Gold-Ranks has been called. The agenda? Expelling the Yozakura family for Momo’s dark deeds. Kyoichiro is less than pleased. As the meeting heats up, more colorful members of the association’s Gold-Ranks are introduced!

Book 17

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died and the only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret–she is the head of a family of spies! And on top of that, her brother Kyoichiro is dangerously protective of her! To stop Kyoichiro from killing him, Taiyo and Mutsumi must take the ultimate leap–marriage! Because in the Yozakura family, family cannot kill family.

Momo brainwashes Futaba and Shinzo, leaving the spy association HQ with both of them in tow. Swearing to get them back, the remaining siblings begin to prepare. Mutsumi, hoping to charge everybody’s batteries for the coming battle, gets Taiyo’s help making the Yozakura family’s secret recipe for Black Cherry Blossom Noodles. While they chow down, Shion manages to track down Momo’s ship!

Book 18

Romance! A crazy, overprotective brother! And...spies?!

Taiyo Asano has been on his own ever since his parents died and the only one who seems to care for him is his childhood friend and classmate, Mutsumi Yozakura. But Mutsumi has a secret–she is the head of a family of spies! And on top of that, her brother Kyoichiro is dangerously protective of her! To stop Kyoichiro from killing him, Taiyo and Mutsumi must take the ultimate leap–marriage! Because in the Yozakura family, family cannot kill family.

Kengo uses his Blooming to dive into Shinzo’s mind, sharing his memories to break Shinzo free of Momo’s brainwashing. But Momo’s power isn’t that easily overcome, locking the two in a stalemate. Meanwhile, the family’s two brainiacs, Shion and Nanao, take on Futaba! Will Operation Sibling Retrieval be a success?!