Similar to もっとずっと一緒に居たかった

Egao no Kimi wa Taiyō sa / Kimi no Kawari wa Iyashinai / What is Love?

Everyday Zekkōchō!!

Ōjisama to Yuki no Yoru

Ōkina Ai de Motenashite

Osaka Koi no Uta

Oh My Wish! / Sukatto My Heart / Ima Sugu Tobikomu Yūki

Otome Pasta ni Kandō

Onaji Jikyū de Hataraku Tomodachi no Bijin Mama

Onna ga Medatte Naze Ikenai

Onna to Otoko no Lullaby Game

Onna ni Sachi Are

Only You (Morning Musume song)