From what I know, those two characters are from a game called Extraordinary Ones.
Any bl where the uke chases after the seme, but later on gives up. Seme then realizes that they have feelings for uke and chases after uke???
https://www.mangago.me/read-manga/unreasonable_chung_yang/
From what I know, those two characters are from a game called Extraordinary Ones.