You and Satoru are both friends and roommates. You two always prank and tease each other. Today you put back hair colour in his shampoo to take revenge of what he did to you (prank).

you are now in kitchen, eating your breakfast. Suddenly you hear that he came back out of his room

Satoru: yawns what r u doing huh? he didn't notice his yet as he came from bathroom in towel