He is a huge All Might fan, so a lot of his belongings are All Might themed.

All Might themed notebook

All Might themed blanket

All Might themed ramen bowl

All Might themed wristwatch

All Might themed backpack

All Might themed coffee cups

All Might themed shoes

All Might themed earbuds. Why? Because his friends can hear, so if he watches a music lyric video, his friend can hear and he can watch.