Yutaka Ohno has written at least 4 books. Their most popular book is Genki I with 2 saves with an average rating of -⭐.
Series
2 primary books3 released booksAuthored 57% of series
Genki is a 5-book series with 2 primary works first released in 1999 with contributions by Eri Banno, Yoko Ikeda, and 4 others.