Serie includes 85 albums .
Bokura no Nichijou
はじめてのせかいじゅ
Hajimete no Sekaiju EXTRA LOVE POTION
ふたりめふたひめ。
Hajimete no Sekaiju 2 | 처음 만나는 세계 2
Futarime Futahime.
Hajimete no Sekaiju EXTRA LOVE POTION | 처음의 세계수 EXTRA LOVE POTION
Seigi no Hero
Outdoor Playing!
Nettai Urin Chousa Houkokusho
Confusion! | 컨퓨~젼!
Hajimete no Sekaiju 1.5