That main character was already powerful or intelligence or at least in one 'ability' of talents.
In any genre, (Mostly shounen but can be some shoujo)
In first few chapters that person had shown that person already strong enough to beat few or many people in beginning of few chapters. Or person realized that they has a talent in something and its very good.
It's can be come from hard work, natural talent, gain the talent, or hide talent.
Although guys in isekai type stories are common, BL or yaoi and shounen ai are harder to find I decided to make this list. If yall know any not on the list feel free to share.
Check out my Part 2 list for even more!!!
I created this list because sweet, puppy like semes are my favorite and it seems that there are always people asking for recommendations of this type. So here you go! ٩(๑❛ᴗ❛๑)۶
Feel free to suggest any manga you feel I’m missing here. I’m always in the mood to read about this adorable type of character! And please do recommend this list if you liked it