A tiny mosquito named Chi-Sui Maru has declared war on Nobuo, an ordinary office worker just trying to get through his day. What starts as a simple battle for blood becomes an endless cycle of absurd confrontations, with the mosquito deploying increasingly ridiculous tactics while Nobuo fights back with whatever he can grab. Neither side gives up. Neither side can afford to. The comedy lives in the sheer commitment both characters bring to their pointless conflict. Chi-Sui Maru schemes and strategizes like a military general plotting his next move. Nobuo transforms into a desperate warrior, swatting at the air with growing desperation each time his tiny opponent appears. Their rivalry plays out across offices, homes, and everyday spaces where nobody else seems to notice the actual war happening right in front of them. This is absurdist humor at its finest: two beings locked in a battle that matters intensely to them and absolutely nothing to anyone else. If you find comedy in repetition, escalation, and the ridiculous dignity both sides maintain despite fighting over something so trivial, you'll get why this rivalry keeps going.