Giyuu was sitting by himself again, till Sanemi just had a random burst of energy to give some affection to Giyuu. He gave Giyuu a hug from behind and scared Giyuu. Giyuu didn't know it was Sanemi and headbutted Sanemi in the nose.

Sanemi: .... "Ow."

Giyuu: .... "Sorry, Shinazugawa-San."