Toshishita No Senpai-chan Ni Wa, Maketakunai.
Alternative Name: I Don't Want To Lose To My Younger Senpai-chan;年下の先輩ちゃんには、負けたくない
Genre(s): Comedy Romance School Life
Demographic: N/A
Summary:
The story of an ordinary college student's interactions with his senpai at work, who happens to be in highschool.