Similar to My Broken Mariko Reccomendations

I recommend this if you haven’t read it yet:
https://www.mangago.zone/read-manga/yume_no_hashibashi/

https://www.mangago.zone/read-manga/shiroi_heya_no_futari/ (the OG doomed yuri)
https://www.mangago.zone/read-manga/141108/ (one-shot)
https://www.mangago.zone/read-manga/aliens/ (one-shot)
https://www.mangago.zone/read-manga/your_everything/ (one-shot; plot twist at the end that dooms them but it is a gross one lol)
https://www.mangago.zone/read-manga/the_story_of_the_princess_and_the_little_mermaid/ (one-shot)
https://www.mangago.zone/read-manga/final_film/ (short story)
https://www.mangago.zone/read-manga/a_story_concerning_sweets/
https://www.mangago.zone/read-manga/oniisama_e/
https://www.mangago.zone/read-manga/kimi_to_tsuzuru_utakata/
https://www.mangago.zone/read-manga/kimi_ga_shinu_made_koi_wo_shitai/ (on-going; doomed side couples and possible doomed main couple)