Sogawa is so plain with his expression. Coldy when he is surrounding by people. But too mu...

Sogawa is so plain with his expression. Coldy when he is surrounding by people. But too much hot and sexy when he is with oonukii. Even he showed his seductive side. Thats why people except oonuki, think that sogawa is always coldy (maybe think that he is also the top).
And then while they were having sex, sogawa need more reward, that means the cosplay was done by oonuki , is the next reward.
Its cute