https://www.mangago.zone/read-manga/living_will/
https://www.mangago.zone/read-manga/yume_no_hashibashi/
https://www.mangago.zone/read-manga/only_need_to_love_once/ (this is sad TO ME)
https://www.mangago.zone/read-manga/run_away_with_me_girl/)
https://www.mangago.zone/read-manga/shiroi_heya_no_futari/ (the first ever shoujo ai manga ever released)
https://www.mangago.zone/read-manga/the_story_of_a_person_who_grew_a_flower/
https://www.mangago.zone/read-manga/oniisama_e/
https://www.mangago.zone/read-manga/sabishisugite_lesbian_fuzoku_ni_ikimashita_report/
https://www.mangago.zone/read-manga/mars_no_kiss/
short depressing shoujo ai manga? preferably tragic