zein

Boys run the riot imo

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

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

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

All 3 made me cry

Thanks

i teared up reading this. https://www.mangago.me/read-manga/my_wife_whom_i_loved_dearly/

& honorable mention ; https://www.mangago.me/read-manga/the_horizon/

Faraway house https://www.mangago.me/read-manga/haruka_tooki_ie/
It's short and you're definitely going to cry

https://www.mangago.me/read-manga/tsuki_to_kin_no_shangri_la/
Prepare the tissues in advance.

The first one I recommended is very very sad . But it's a bit long .. I forgot u asked for very short ...so here yaa go...

https://www.mangago.me/read-manga/searching_for_stars_in_the_northern_sky/
( One shot )

https://www.mangago.me/read-manga/futaribocchi_no_ever_after/
( One shot)

https://www.mangago.me/read-manga/1866/
( 4 chapters short Manhwa)

https://www.mangago.me/read-manga/my_childhood_friend_was_a_god/
( One shot)

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

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