Diary of Hirahira's Youth

Hirahira-kun is a boy that likes helping the most weak, and for that he uses his creativity to think up plans to defeat his corrupted senpais and so to maintain the entirety of his colleagues of class.

Collections of early works by Mitsuru Adachi.

Volume #1:
- Gamushara (がむしゃら, original story by Juuzou Yamasaki)
- Inochi no Mound (命のマウンド)
- Mou Hitotsu no Koushien (もう一つの甲子園)

Volume #2:
- Oira Houkago Waka Daisho (おいら放課後若大將, I'm The Boss Of After-School)
- Isourou wa Tsurai yo (居候はつらいよ)
- Kimagure Punch (氣まぐれパンチ)

Volume #3:
- Heart no A(ce) (ハートのＡ (エース), Ace of Hearts)
- Teens (ティーンズ)
- Aoba ni Kaze (青葉に風, Wind and Leaves)
- Hirahira-kun Seishun Nikki (ヒラヒラくん青春日記, Hirahira's Stories, original story by Sasaki Mamoru)