Games Like 来自边境 - From Frontier

From Frontier is an RPG game developed by the Japanese independent game circle Doubles Core（だぶるす＊こあ), and published by OTAKU Plan.

"What? don't you act like my boyfriend just because I slept with you！" Frustrated by a woman who thought she was a lover, the hero sank into disappointment.By an accident，he set out on a journey to the "Lemuria Continent" with the second princess of the demon country who was running away from home. Awaiting in the pioneer land is encounters with dangerous monsters, unexplored land, and fascinating beauties. In a harsh but lively pioneer life, if you find an important person who wants to live in the future together-- This is a story to get a happy future from the unexplored land.