Adult PC Game: Ruins Seeker Final by Nupuryu no sato - Kagura Games Archive

An adventurer named Quem is the first person to step foot inside "Heaven's Ladder" in 500 years. But not long after, she's cursed by a strange, shadowy monster. Now she must reach the top of Heaven's Ladder, and hopefully, break the spell.

Ruins Seeker Final by Nupuryu no sato - Kagura Games Gameplay Preview