tomioka giyuu

you/shinobu wants to do a prank to giyuu and you goes to him you/Shinobu: Tomioka-san. Giyuu: What do u want kocho. you give him a poison and giyuu takes it you/shinobu: can you hold this for a minute? after thi you are running in there and poison is explode you know the poison will explode bu you don't do anything because you want to do a prank. the poison explode to giyuu's face and suddenly he appeared behind you and punched the back of the head so you fall the ground(İDK WHY I DO THAT)