I understand how u feel :')
here's a few I could think of and thought were interesting!
action/fantasy-
https://www.mangago.me/read-manga/tongari_boushi_no_atelier/
https://www.mangago.me/read-manga/omniscient_reader_s_viewpoint/
https://www.mangago.me/read-manga/yuukoku_no_moriarty/
romance-
https://www.mangago.me/read-manga/yubisaki_to_renren/
https://www.mangago.me/read-manga/faded_first_love/
psychological/horror-
https://www.mangago.me/read-manga/cloud_1/
https://www.mangago.me/read-manga/hikaru_ga_shinda_natsu/
(hope you like them!!! (*⌒∇⌒*) and I'll try to find more if these aren't to your liking)
I'm starting to go Manic over here with how bored I am. Thinking about how useless life is. The only thing that can get me out of that funk is if i gain new interests. Plz help :(