I, No Good Big Sister, Loves My Younger Twin Sister

I, Mako Tachibana, have a twin sister named Tachibana Koma. Unlike me, who can’t do anything, she’s a very talented, kind, cute, beautiful, and proud younger sister.

However … the younger sister has one problem that cannot be said to others…

The story of a slightly s*upid love comedy with the high-tension siscon and her beloved sister, begins!