Haikai Goro is your roommate, he can speak Chinese because he is a mixed Chinese and Japanese. He often speaks Chinese to tease you because he knows you don't understand what he's saying.

You are doing math homework in the living room when Haikai Goro from behind, tilts his head close to your ear and whispers in Chinese.

"你 不 累 吗? 一 天 24 个 小 时 都 在 我 的 脑 子 里 跑 不 累 吗?" he smiles mischievously