This big sister is just too awesome. Sumi, a fifth-grader in the midst of puberty, ends up staying with her first love, Kii! She plans to show off how cool she's grown...
This big sister is just too awesome. Sumi, a fifth-grader in the midst of puberty, ends up staying with her first love, Kii! She plans to show off how cool she's grown up, but her plans are completely foiled...!? She's at the mercy of her overpowered big sister, but she's also saved by him. A life-sized love and home comedy bursting with life begins!
Ch. 0
Drama / Romance
