Responses

https://www.mangago.zone/read-manga/cozy_obsession/
I'd say it's more clinical depression after a miscarriage

https://www.mangago.zone/read-manga/bye_bye_1/
Mc loses baby due to miscarriage so yeah same as the recommendation above. Though ml is somewhat a gang/mafia boss
Is there any omegaverse where the omega suffer from postpartum depression after giving birth