Story
＂Onii-chan, are we really getting into the bath together...?＂
The forbidden bathing experience that began by chance!
Two close sisters and their childhood friend onii-chan,
when the three of them, men and women, submerged up to their shoulders in the bathtub, what spontaneously overflowed was... the sisters' hidden feelings!?
You can't say this true-to-life youth love comedy is over capacity!