RAINBOW CITY (SA in chap 3, best to skip)
https://www.mangago.zone/read-manga/punks_triangle/ (looks like a love triangle, but it's not)
https://www.mangago.zone/read-manga/motomete_yamanai/
https://www.mangago.zone/read-manga/paint_love_and_the_colors_will_bloom/
https://www.mangago.zone/read-manga/ookami_sama_no_koiwazurai/
https://www.mangago.zone/read-manga/itsuka_tomodachi_ja_nakunaru_to_shite_mo/
https://www.mangago.zone/read-manga/off_stage_love_side/
https://www.mangago.zone/read-manga/wait_i_love_you/
https://www.mangago.zone/read-manga/tsubanakasu_haru/
https://www.mangago.zone/read-manga/kouun_na_kimi_to_boku_no_mirai/
https://www.mangago.zone/read-manga/we_re_still_in_the_spring_of_life/
https://www.mangago.zone/read-manga/cherry_magic_thirty_years_of_virginity_can_make_you_a_wizard/
https://www.mangago.zone/read-manga/willow_love_story/
https://www.mangago.zone/read-manga/the_last_step_on_the_way/
https://www.mangago.zone/read-manga/takara_no_biidoro/
https://www.mangago.zone/read-manga/boku_no_omawarisan/
https://www.mangago.zone/read-manga/my_influencer_boyfriend/
https://www.mangago.zone/read-manga/kizuato_ni_kuchizuke/
Can someone recommend me a story to read without a love triangle, so tired of love triangle, im ok with anything as long there’s no love triangle