Also known as: クラスに1人いる巨乳シリーズ, チビ巨乳
Original series by artist Sakura Yuki (Clochette) featuring two big-breasted Sisters; a short schoolgirl younger sister named Kodama Rin (Sakura Yuki), and an Office Lady older sister named Kodama Sawa (Sakura Yuki).
See also
- Kodama Rin (Sakura Yuki) (younger sister)
- Kodama Sawa (Sakura Yuki) (older sister)