23 books • 4 series
Book #6: High School Prodigies Have It Easy Even in Another World!, Vol 6 (light novel)
Book #7: High School Prodigies Have It Easy Even in Another World!, Vol. 7 (light novel)
Book #4: High School Prodigies Have It Easy Even in Another World!, Vol. 4 (light novel)
Book #10: High School Prodigies Have It Easy Even in Another World!, Vol. 10 (light novel)
Book #10: High School Prodigies Have It Easy Even in Another World!, Vol. 10 (manga)
Book #1: I Kissed my Girlfriend's Little Sister?! Volume 1
