hii anyone know a manga with characters that has an alt style? It can be bl/yuri/straight ...

Probably nana or paradise kiss?

These are all GLs, I think they can be considered alt but I'm not 100% sure since I'm not really into fashion:

https://www.mangago.zone/read-manga/liberta/
https://www.mangago.zone/read-manga/ubai_ai/ (toxic relationship)
https://www.mangago.zone/read-manga/our_similarities/
https://www.mangago.zone/read-manga/sabori_nara_hokenshitsu_de_douzo/ (student x school nurse)
https://www.mangago.zone/read-manga/zenbu_kowashite_jigoku_de_aishite/ (alt side character; toxic relationship)
https://www.mangago.zone/read-manga/even_the_introverted_gals_wanna_get_out_there/
https://www.mangago.zone/read-manga/i_want_a_girlfriend/
https://www.mangago.zone/read-manga/the_guy_she_was_interested_in_wasn_t_a_guy_at_all/
https://www.mangago.zone/read-manga/my_new_friend_wasn_t_what_i_expected/ (GL subtext only)
https://www.mangago.zone/read-manga/android_dreams_of_jiraikei_girl/
https://www.mangago.zone/read-manga/my_food_seems_to_be_very_cute/ (kind of? a bit?? not too sure)
https://www.mangago.zone/read-manga/akumade_amai_watashi_no_kanojo/
https://www.mangago.zone/read-manga/shino_to_ren/

thanks!!!! (●'◡'●)ﾉ

yeees nana is one of my fav mangaヾ(☆▽☆)