I’m looking for a yaoi

I lost it after all my “now reading” disappeared
The plot is about a Japanese man who is re-isekied to a fantasy world years after he came back to Japan from that same world but the first time was when he was a teenager and firmly in his edgy chunibyo era so he was kind of a problem child when he was there the first time and he’s worried that everyone that knew him hates him so he pretends he’s not that boy anymore plus now he’s an adult so he doesn’t think they’ll remember him cause it’s only been a few years for them, but it’s been like 10 years for him since everything happened. But the captain of the guard that was in charge of protecting him The first time is actually low-key in love with him and kind of obsessive so he’s trying to hide from him and doesn’t realize that he loves him.