https://www.mangago.zone/read-manga/oniisama_e/
https://www.mangago.zone/read-manga/to_die_in_june_one/ (read the last two chapters here: https://www.mangago.zone/read-manga/to_die_in_june/)
https://www.mangago.zone/read-manga/vampire_chan_junior_chan/
https://www.mangago.zone/read-manga/living_will/
https://www.mangago.zone/read-manga/seasons_in_bloom/
https://www.mangago.zone/read-manga/kago_no_shoujo_wa_koi_wo_suru/
https://www.mangago.zone/read-manga/huijin_huayuan/
https://www.mangago.zone/read-manga/yume_no_hashibashi/
https://www.mangago.zone/read-manga/tower_of_campanella/
https://www.mangago.zone/read-manga/composing_spring_in_this_room_where_cherry_blossoms_bloom/
https://www.mangago.zone/read-manga/kimi_to_tsuzuru_utakata/
https://www.mangago.zone/read-manga/kimi_ga_shinu_made_koi_wo_shitai/
https://www.mangago.zone/read-manga/a_monster_wants_to_eat_me/
https://www.mangago.zone/read-manga/can_t_forget/
https://www.mangago.zone/read-manga/vengeance/
https://www.mangago.zone/read-manga/sea_you_there_and_us/ (read the rest on MDex)
https://www.mangago.zone/read-manga/kitanai_kimi_ga_ichiban_kawaii/ (toxic relationship, features some extreme fetishes such as age regression/babyplay, vomit kink, period blood kink, etc.)
https://www.mangago.zone/read-manga/the_story_of_a_person_who_grew_a_flower/ (short story; age gap, teacher-student relationship;hanahaki disease)
https://www.mangago.zone/read-manga/final_film/ (short story)
https://www.mangago.zone/read-manga/shiroi_heya_no_futari/ (one-shot)
https://www.mangago.zone/read-manga/141108/ (one-shot)
https://www.mangago.zone/read-manga/aliens/ (one-shot)
https://www.mangago.zone/read-manga/the_story_of_the_princess_and_the_little_mermaid/ (one-shot)
https://www.mangago.zone/read-manga/sana_and_the_summer_of_happiness/ (one-shot)
https://www.mangago.zone/read-manga/sumika/ (one-shot)
https://www.mangago.zone/read-manga/on_the_other_side_of_the_two_mountains/ (one-shot)
'This witch of mine' there's a side story about tragic lesbians
Is there a tragic GL list or recommend one?