Similar to パシリな僕と恋する番長さん

Oku-sama wa Joshi Kōsei

You Can't Be in a Rom-Com with Your Childhood Friends!

Please Tell Me! Galko-chan

Ojamanga Yamada-kun

Otogi Matsuri: Dark Offering

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

Otome no Teikoku

Otomen

Dear Brother

OniAi

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

Omae wa Mada Gunma o Shiranai

Oresama Teacher

Oreshura

Noucome

Seraph of the End