Welp

Short + cry : all of avogado6 works
(Not a very happy ending for almost all of it tho)

Rental onii chan
Shuumatsu no laughter
Sea foam

Not short but very wholesome, idk if you’ll cry this has comedy. You’ll cry tears of joy,

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

try digging through these
http://www.mangago.zone/home/mangalist/1090460/

https://www.mangago.zone/home/mangalist/1195145/

http://www.mangago.zone/home/mangalist/1103164/

http://www.mangago.zone/home/mangalist/636848/

https://www.mangago.zone/home/mangalist/957720/