Tomoko is so lucky to have such a cute younger brother like Tomoki-kun. Imagine living with him. Imagine how he smells. He’s a teenage boy, and not only that, but he also plays sports, he must be so sweaty. Lewd. Imagine smelling Tomoki’s used hoodie after gym class and teasing him for being such a sweaty boy, and watching him blush and say “I-I’m not THAT sweaty, i-idiot...”