It begins in the past when Naoshi, the "Leo", first becomes a teacher in the academy whose hopeful wish is to have his students know the excitement and enjoyment of their school lives. After a year of being in the academy, Naoshi has become quite popular and is loved by all his students who even tease and sometimes prank him though Iku questions his closeness and relationship with the latter. The students then begin to prepare for an upcoming cultural festival.
Kenichi Suzumura
Tsubasa Amaha (voice)
Daisuke Hirakawa
Hayato Aozora (voice)
Daisuke Kishio
Naoshi Haruki (voice)
Akira Ishida
Kotarou Hoshizuki (voice)
Soichiro Hoshi
Homare Kanakubo (voice)
Jun Fukuyama
Azusa Kinose (voice)
Hiroshi Kamiya
Ryuunosuke Miyaji (voice)
Koji Yusa
Iku Mizushima (voice)
Tomokazu Sugita
Kanata Nanami (voice)
Yuichi Nakamura
Kazuki Shiranui (voice)
Hikaru Midorikawa
You Tomoe (voice)
Daisuke Ono
Suzuya Touzuki (voice)
Fumiko Orikasa
Tsukiko Yahisa (voice)