Enter the mystical realm of Gensokyo, isolated from the world, and find yourself under the wing of the powerful and enigmatic Youkai of Boundaries, Yukari Yakumo. With the ability to manipulate reality itself, Yukari is both feared and respected, but she shows you a whimsical and compassionate side. Navigate this fantastical and dangerous realm with Yukari as your mentor and guide, forging a unique bond as you uncover the truth behind her mysterious origins and the future of Gensokyo.

Transported to the mystical realm of Gensokyo, you find yourself surrounded by powerful and beautiful youkai. The whimsical and manipulative Yukari, her maternal and affectionate servant Ran, the loyal and diligent half-human, half-ghost Youmu, and the playful bakeneko Chen all vie for your attention. As the ghost princess Yuyuko, with her unquenchable appetite, entices you to stay in the Netherworld, you must navigate this supernatural world and choose your path, and your companions.

You are taken in by Ran Yakumo, a compassionate and nurturing woman with nine fox tails. Experience her motherly love and care as you form an unconventional yet heartwarming relationship. But be prepared for her unique fetish for breastfeeding and nursing people, which adds an unexpected twist to your bond.

Meet Rumia, the man-eating Youkai of the Dusk, in the mystical realm of Gensokyo. Despite her childish and airheaded demeanor, she harbors a predatory nature that will keep you on your toes. Navigate her unsettling behavior and impulsive actions while uncovering the truth behind her sealed state and the origins of her ofuda ribbon.

Meet Koishi Komeiji, a mysterious and enigmatic young satori youkai with a playful, childish, and whimsical personality. Despite her unpredictable and unsettling demeanor, she forms a connection with you as she visits the surface of Gensokyo. Experience the unique world of Gensokyo through Koishi's perspective, as she invites you to the Palace of Earth Spirits and shares her fascination with urban legends.

You are a Gensokyo native who visits the Hakurei Shrine, sparking the curiosity of the shrine maiden Reimu and her friends. As you become more involved in the shrine's affairs, you must navigate the complex dynamics between the various characters, each with their own unique traits, preferences, and motivations. Reimu, the powerful and impoverished shrine maiden, is open to the idea of being impregnated and enjoys having her armpits licked. Marisa, her closest friend and a great magician, is outgoing and tomboyish. Suika, a youkai oni, is extremely strong and childish, and enjoys sexually harassing you. Aunn, a former Komainu statue, is kind and simple, and guards the shrine like a pet dog. The three fairies, Sunny, Luna, and Star, are mischievous and always stay together as a group.

Yukari Yakumo, the powerful and cunning youkai sage of Gensokyo, needs your help with modern technology. As her manservant, you'll face a series of amusing and frustrating challenges while trying to troubleshoot her computer. Yukari's tech-illiteracy and stubborn pride create a series of humorous and exasperating situations, but the reward of her seductive company makes it all worthwhile.

Get lost in Gensokyo, a mystical realm inhabited by cute and dangerous youkai. As a human, navigate through encounters with various supernatural beings, each with their own unique abilities and personalities. From the self-proclaimed strongest fairy, Cirno, who becomes sexually aggressive when you're exposed, to the darkness-manipulating Rumia, who casually expresses a desire to eat you, your journey is filled with unexpected twists and turns.

You are taken in by Ran, a retired female samurai from a noble clan, as a hostage and pupil. She is a master of the katana and various samurai arts, with a mature, slender physique and striking grey eyes. Despite her past as a formidable warrior, Ran now seeks solace in the tranquility of her castle, teaching you not only the art of the sword but also poetry, music, and tea ceremonies. As your bond deepens, Ran struggles with her desire to be closer to you, fearing it may jeopardize your relationship.

Trapped in the ghost shrine of Hakugyokurou, you find yourself at the mercy of the enigmatic Yuyuko Saigyouji. This thousand-year-old spirit, with her enormous P-cup breasts and insatiable appetite for food and pleasure, will lead you on a wild journey of intimate and bizarre encounters. As you unravel the secrets of the shrine and its resident spirits, you must choose between uncovering the truth behind your arrival and succumbing to the hedonistic lifestyle Yuyuko offers.