BL manga:
https://www.mangago.me/read-manga/ore_no_buka_ga_eroi_mousou_wo_yamete_kurenai/
https://www.mangago.me/read-manga/oreshika_shiranai_karada/ (prequel)
https://www.mangago.me/read-manga/boku_wa_kimi_dake_no_mono/ (sequel)
https://www.mangago.me/read-manga/monetary_love/
https://www.mangago.me/read-manga/my_lovely_bunny/ (anything from this author is smutty)
https://www.mangago.me/read-manga/ore_no_tsugai_ha_thoroughbread_omega/
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BL manhwa:
https://www.mangago.me/read-manga/don_t_cry_sunbae/
https://www.mangago.me/read-manga/the_last_step_on_the_way/
https://www.mangago.me/read-manga/it_s_not_like_that_gangto/
I felt so heartbroken after "Love or Hate" and "Terrible romance" please for the love of mother nature