Onii-chan Zurui

A younger brother is fed up with his older brother's unfair behavior. The older brother takes his toys and always gets to choose the TV channel, leaving the younger one feeling powerless and resentful.

Determined to change the situation, the younger brother decides to eat as much as he can. His plan is to grow bigger and stronger through sheer growth spurts, hoping that by becoming the larger sibling, he can finally turn the tables and become the one in charge.