I let this cook for so long to completion. But the comments are scaring me... And does he...

Basically his body after being reborn is the same as his old body so since he is young now he looks like a twink lol. But no I dont wanna give spoilers, some shit happens and he doesnt grow up in the part1 (which is this manhwa). But in the novel of part2 yes eventually his body does become just like his old self ^^

Unfortunately no, they keep teasing us with how he used to look