のんびり
まだやり始めて間もないです。
できるゲームはまだ少なく、キャラ収集とキャラ&建物のレベルアップがメイン?
改善点
BGMや効果音が聞こえません。
お部屋やお庭の絵、もっと大きい画面で見たいです。
出来ることがもう少し増えると良いかも。
とはいえ、今のところ割と満足です!

Manage a charming Japanese hot spring inn with yokai companions. Earn in-game currency while idle, expand facilities, and recruit unique staff. Enjoy a relaxing simulation with no paid gacha or forced ads.
1.5.3
November 4, 2026
Updated the app framework and libraries.
$2.99
月見の宿
黒漆の看板絵と月雲の台紙・暖簾。見た目だけが変わる買い切りの意匠。
Hyakki Onsen: Cozy Idle Inn is a cozy idle simulation game where you manage a Japanese hot spring inn staffed by charming yokai. Players can expand facilities, collect yokai, and earn in-game currency even while offline.
Yes, Hyakki Onsen: Cozy Idle Inn contains optional rewarded video ads that players can choose to watch for bonuses. There are no forced interstitial or banner ads, and a Video-Skip Talisman can be purchased.
Your inn collects Yudama (in-game earnings) while you are away, with an initial offline earnings limit of 8 hours. This limit can be permanently extended through renovations.
Yes, Hyakki Onsen: Cozy Idle Inn features direct recruitment at the Yokai Shrine with no paid gacha. You choose a candidate and recruit that exact yokai using earned Yoki and a recruit slot, which recharges daily.
Hyakki Onsen: Cozy Idle Inn is rated E for Everyone 9+ by the ESRB, making it suitable for players aged 9 and older.
The game was last updated on November 4, 2026, with version 1.5.3. This indicates a relatively active development cycle, with updates occurring periodically.
Hyakki Onsen: Cozy Idle Inn is available on iOS devices, including iPhones and iPads, as indicated by its supported devices list.
No, Hyakki Onsen: Cozy Idle Inn explicitly states there is no paid random gacha or paid gameplay currency. Players choose which yokai candidates to invite directly.