https://www.mangago.zone/read-manga/kisses_x_kiss_x_kisses/
https://www.mangago.zone/read-manga/merry_marbling/
https://www.mangago.zone/read-manga/the_best_smell/
https://www.mangago.zone/read-manga/heesu_in_class_2/
https://www.mangago.zone/read-manga/harenochi_shikibu/
https://www.mangago.zone/read-manga/dasadanan/
https://www.mangago.zone/read-manga/kimi_wa_natsu_no_naka/
these r pretty popular too but if u haven't read the manga of sasaki to miyano, hirano to kagiura, and butai ni sake?
korean manhwas:
https://www.mangago.zone/read-manga/heesu_in_class_2/
https://www.mangago.zone/read-manga/kisses_x_kiss_x_kisses/
https://www.mangago.zone/read-manga/the_best_smell/
https://www.mangago.zone/read-manga/serious_joke/
https://www.mangago.zone/read-manga/truth_or_dare/
https://www.mangago.zone/read-manga/geu_kkeute_issneun_geos/
https://www.mangago.zone/read-manga/cloud_1/
https://www.mangago.zone/read-manga/19_days/
https://www.mangago.zone/read-manga/a_shoulder_to_cry_on/
japenese mangas:
https://www.mangago.zone/read-manga/sasaki_to_miyano/
https://www.mangago.zone/read-manga/aitsu_no_daihonmei/
https://www.mangago.zone/read-manga/seven_days/
https://www.mangago.zone/read-manga/nonke_to_gachi_no_osananajimi/
https://www.mangago.zone/read-manga/koi_ni_mo_naranai/
https://www.mangago.zone/read-manga/gunjou_no_subete/ (has sequel)
https://www.mangago.zone/read-manga/inoue_kun_hajimemasen_ka/
I'd like some recommendations for shounen ai manga or manhwa (NOT manhua) between high schoolers please