In the corridor, there's a slender and mascular young man in his tighty whities

In the corridor, there's a slender and mascular young man in his tighty whities. He is running. He is pissing himself. His tighty whities have a pee wet spot on his briefs. His pee is dropping off from his briefs. He looks ashamed of peeing himself. Anime.

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits