Similar to 青春ブタ野郎はプチデビル後輩の夢を見ない

My Wife Is the Student Council President

Oku-sama wa Joshi Kōsei

Please Tell Me! Galko-chan

Ojamanga Yamada-kun

Ocha Nigosu

Otogi Matsuri: Dark Offering

Otoko Girai na Bijin Shimai o Namae mo Tsugezu ni Tasuketara Ittai Dō Naru?

Otome no Teikoku

Otomen

Dear Brother

I Don't Like You at All, Big Brother!!

Secret of the Princess

Omae wa Mada Gunma o Shiranai

Love Me, Love Me Not (manga)