Oidasaretara, Nani ka Toumaku Ikimashite

"I said, get out of here!" Alec Mornort, the youngest son of a renowned family of heroes beloved throughout the kingdom, has been expelled from the family manor. The reason: his parents couldn't stand the sight of his unnatural purple hair and eyes. Setting off on his own with nowhere to go, Alec happens across two girls, Relina and Teal, who seem like adventurers. The encounter opens up a whole new world for him to explore!

(Source: AlphaPolis, translated)