can anyone recommend a story thatll surely ruin me

Missing love

https://www.mangago.me/read-manga/homeless/

https://www.mangago.me/read-manga/hachi_a_dog_s_tale/

https://www.mangago.me/read-manga/about_death/

https://www.mangago.me/read-manga/haruka_tooki_ie/

https://www.mangago.me/read-manga/1866/

https://www.mangago.me/read-manga/yang_il_woo_and_i/ ongoing but already tragic

https://www.mangago.me/read-manga/bad_friend_euneun/ same for this one