He so does, love it when side character becomes main character, like in this one
Do you have more recommendation like this one? Except for a guide's out to succeed
I think I remember a few (last one is completed)
https://www.mangago.zone/read-manga/yes_it_s_me_the_obsessive_side_top/
https://www.mangago.zone/read-manga/a_gloomy_delusion/
https://www.mangago.zone/read-manga/possessed_by_a_cotton_ball/
https://www.mangago.zone/read-manga/i_became_the_lousy_side_top_official/
https://www.mangago.zone/read-manga/secretary_gwanggongs_survival_diary_cocomic/
(This one too, art isnt the best but, idrc)
bet the f rank guide has a crush on our mc