Haven't read that so idk if they're similar at all, but try these:
https://www.mangago.zone/read-manga/sayonara_rose_garden/
https://www.mangago.zone/read-manga/a_joyful_life/
https://www.mangago.zone/read-manga/ohana_holoholo/
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/artificial_temperature_36_7_c/
https://www.mangago.zone/read-manga/vampire_chan_junior_chan/
https://www.mangago.zone/read-manga/kago_no_shoujo_wa_koi_wo_suru/
https://www.mangago.zone/read-manga/have_a_great_trip_after_the_credits_roll/
https://www.mangago.zone/read-manga/run_away_with_me_girl/
https://www.mangago.zone/read-manga/composing_spring_in_this_room_where_cherry_blossoms_bloom/
https://www.mangago.zone/read-manga/yume_no_hashibashi/
https://www.mangago.zone/read-manga/throw_away_the_suit_together/
https://www.mangago.zone/read-manga/my_blue_garnet/
https://www.mangago.zone/read-manga/adachi_to_shimamura/
https://www.mangago.zone/read-manga/wan_mu/
https://www.mangago.zone/read-manga/kimi_to_tsuzuru_utakata/
https://www.mangago.zone/read-manga/pan_focus/
https://www.mangago.zone/read-manga/haru_and_midori/
https://www.mangago.zone/read-manga/a_star_s_warmth_a_returning_dream/
https://www.mangago.zone/read-manga/aoi_hana/
https://www.mangago.zone/read-manga/cocoon_entwined/
https://www.mangago.zone/read-manga/lilies_voice_wear_wind/
https://www.mangago.zone/read-manga/have_a_great_trip_after_the_credits_roll/
https://www.mangago.zone/read-manga/kono_koi_wa_hoshi_ni_wa_negawanai/ (love triangle - a girl and a boy are in love with the same girl)
https://www.mangago.zone/read-manga/kill_switch/ (love triangle)
https://www.mangago.zone/read-manga/summer_lemon_and_overlay/ (suicidal thoughts and ideation)
Recommend me slice of life Yuri stories with angsty and melancholic atmosphere; something like 'Yang Il-woo and I'.