Completed stories that will make me cry my eyes out? Any genre

Baraou_no_souretsu
Orange marmalade
This witch of mine

Sure
https://www.mangago.zone/read-manga/when_the_cicadas_stop_crying/

https://www.mangago.zone/home/mangalist/1237840/

These are some top tier recs

Yeah orange marmalade had me ugly crying and on a chokehold

I haven’t reread it in years because I don’t want to cry

Nothing girls obsessed with pain and suffering cant do(▰˘◡˘▰)

https://www.mangago.zone/read-manga/goodbye_mom/

https://www.mangago.zone/read-manga/hide_and_seek_on_the_sofa/

https://www.mangago.zone/read-manga/serial_justice/

https://www.mangago.zone/read-manga/how_to_get_my_husband_on_my_side/

https://www.mangago.zone/read-manga/i_thought_it_was_a_common_isekai_story/

https://www.mangago.zone/read-manga/a_stepmother_s_m_rchen/