Henkyou no Ofuroya-san, Harem ni naru ~Yamaoku ni Arusabireta Onsen no Kounou ga Chiutosugite Onna Bouken-sha ni Daininkina Ken~
A Remote Bathhouse Becomes a Harem ~ the effects of the deserted hot springs deep in the mountains are such a cheat that it becomes extremely popular among female adventurers~ · The Frontier Bathhouse Turns Into a Harem: The Overpowered Effects of a Run-down Hot Spring Deep in the Mountains Make It Super Popular with Female Adventurers · Harem in the Middle of Nowhere: An Abandoned Bathhouse in the Mountains Has Become a Magnet for Beautiful Adventurers Thanks to a Cheater Source · The Frontier Bathhouse Turns Into a Harem: The Old Mountain Hot Spring with Cheat-Level Powers That Female Adventurers Can't Get Enough Of
A Cheat Hot Spring That Heals Female Adventurers, Makes Them Stronger… and Leads to Steamy Mixed Baths?! Deep in the mountains, a young man named Rio manages an old, run-down hot spring. Using his mysterious skill, he adjusts the properties of the waters only to discover that what he thought was …