In the morning bathroom, a slender and mascular young man in his tighty whities

In the morning bathroom, a slender and mascular young man in his tighty whities is pissing himself. He is desperate for pee. Very eager to urinate. There's a urinate stain on the centre of his white briefs. Urinate is dripping down from his tighty whities. Pee puddle at his feet. He could not hold pee. He looks embarrassed. His younger brother finds it funny and laughs at him. Anime.