Time Stop Hero Vol 6

Time Stop Hero by Yasunori Mitsunaga. An Action manga rated Older Teen, published in English by Seven Seas.

Shunned by his classmates after an embarrassing photo of him spreads online, Sekai Kuzuno wishes he could vanish, and wakes up in a fantasy world with nothing but his clothes and a video game controller. He soon discovers that pressing pause freezes time for everyone but him, a power he uses to battle monsters, solve problems, and indulge his own whims. A mature isekai action comedy.