The end made me so sad
https://www.mangago.zone/read-manga/smells_like_green_spirit/
Here are some others:
https://www.mangago.zone/read-manga/only_need_to_love_once/
https://www.mangago.zone/read-manga/hitori_to_hitori_no_3650nichi/
https://www.mangago.zone/read-manga/dark_heaven/
https://www.mangago.zone/read-manga/your_eyes_my_words/
https://www.mangago.zone/read-manga/hare_no_hi_asada_nemui/
https://www.mangago.zone/read-manga/mars_no_kiss/
Not manhwa but a movie try https://m.imdb.com/title/tt9660502/
Looking for manga where mc/s struggles with internalized homophobia
Need to cry to tonight :’))