GALEAX

This story is about two aliens who meet at a restaurant. The small one known as Beryl struggles with being betrayed all the time, and Oscar is hated by everyone. Oscar has lots of issues with his status, he desperately tries to keep it secret but eventually his lover Beryl figures out the truth. They are trying their best at being functional members of their society.

comic:
https://www.webtoons.com/en/challenge/galeax/list?title_no=857187