BL where seme is sweet and clingy to uke but cold to everyone else?

It's pretty popular so you've probably already read this but Passion! Less so on sweet though, more on heavily clingy. The point they're at the current update is so awesome — https://www.mangago.zone/read-manga/passion_1/

Also pretty popular but the Hunter who wants to live quietly is also this trope! — https://www.mangago.zone/read-manga/the_hunter_s_gonna_lay_low/


Also rly popular! The exact match to what you're looking for —
https://www.mangago.zone/read-manga/don_t_mess_with_the_puppy/

https://www.mangago.zone/read-manga/murderer_llewellyn_s_enchanting_dinner_invitation/

I loooove all these and will reread. Also that novel of Hunter is peak

Don't Mess with the Puppy!