Welcome, Master! Join now to claim your Master’s Welcome Pack with 10,000 pulls and Legend Rare Characters.

Bathe for Power. Unwind for Pleasure.
You’ve inherited a legendary hot spring resort, but an ancient secret bubbles beneath the surface. The Onsen Leyline is awakening, and only you hold the key to its massive energy. As the descendant of the Great Guardian, you must recruit talented Onsen Girls, manage your resort, and unlock the true potential of the springs. But stay sharp—everyone is drawn to the magic, and your ""Onsen Girl"" might have hidden missions of their own!

1. Soak, Relax, Connect: Build Intimate Bonds!
At Onsen and Girls, harmony is the key to strength! To protect the resort, you must establish ""Resonance Contracts"" with your Onsen Girl staff.
Heart-Pounding Interactions: Spend quality time with your girls. Through deep conversations and shared moments, your Intimacy Level will soar.
Exclusive Story Scenes: Unlock private chapters and personal backstories as your bond grows. Experience the thrill of earning their true trust and loyalty.
The Path to Strength: Remember the golden rule—Bathe for Power. By sharing the rejuvenating energy of the springs, you trigger a soul-bond that unlocks the girls’ ultimate combat potential!

2. Escape to Isekai: A Fantasy World of Steam and Secrets!
Step into a vibrant realm where ancient folklore meets breathtaking fantasy. The resort is more than an inn; it’s the gateway to an extraordinary supernatural mystery.
Stunning Live2D Art: Experience high-quality animations that bring every flutter of a kimono and every ripple of water to life with cinematic beauty.
A World of Mystery: Why did the mysterious Vampire Nurse seek refuge here? What is the Kitsune Priestess truly guarding? Uncover deep lore through fully voiced chapters.
Unwind for Pleasure: This is your Isekai Sanctuary. From cherry blossom gardens to serene snow-capped baths, find peace in a world designed for your relaxation.

3. Run Your Onsen Resort: From Ruined Inn to Luxury Empire!
The inn may be quiet now, but with your business savvy, you’ll build the amazing destination in the Isekai world!
Customize Your Paradise: Design and upgrade iconic facilities. From rustic wooden baths to lavish magical pools, every detail increases your prestige.
Manage Your Team: Assign your Onsen Girls to specialized roles. Match their unique personalities—from the spirited Sukeban to the wise Mage—to optimize your resort’s efficiency.

4. Chill and Grow Easily: Progress While You Rest!
Being a Master shouldn't be stressful. Onsen and Girls offers the ultimate relaxing RPG experience with a seamless idle system.
AFK Leyline Harvesting: The magical springs never stop! Earn massive Gold, EXP, and rare materials while you’re offline. Wake up to a mountain of rewards!
Instant Ascension: Use the ""Instant Soak"" feature to quickly boost your team’s stats. Skip the grind and focus on the fun—strategy, dating, and decorating!

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