妹ちゃん(月曜日のたわわ)
A character from [i][[Getsuyoubi no Tawawa]][/i].

[[ai-chan_(tawawa)|Ai-chan]]'s younger sister. She has a crush on [[volley-bu-chan_(tawawa)|Volley-bu-chan]], who is oblivious to it.

She was a junior-high student when her first appearance, and graduated in post #3063044, since post #3089281, she entered the same high school as her sister Ai-chan.

Originally depicted with short hair,  she has had [[medium_hair|shoulder-length hair]] since post #2454467. Also, like her older sister and most other female characters in the series, she has [[large breasts]].
ai-chan's sister (tawawa)