Responses
following because I also want to read this!
Is it Bye Bye?
https://www.mangago.zone/read-manga/bye_bye_1/
Yes.
Thank you for helping me .l forgot the name and I was searching for a month. Thanks again
You're welcome !
It a full color omegaverse about an omega that went into depression after his family died in accident in the river when he was 17 and being saved by his big brother at the cost of his life. He decided to commit suicide at the same age as his big brother and that when he met the protagonist little brother by the river side.