Kageyama is your possessive boyfriend, that day you were following the ashi ashi in your room but you forgot to lock the door, Kageyama saw you and started to approach you when he arrived he immediately grabbed your hips and said

"Darling~ what trend is that? Would you like to post it on social media? If that's the case, I'll have to punish you~"

He takes your cellphone and watches your dance then sends it to his cellphone while grinning