Many hundreds of years ago, the elemental spirits on the Klein Continent were causing total mayhem. In order to put a stop to this chaos, the Grand Sorcerer - a man known only as Huey - decided to build five altars across the land, each implanted with a gigantic gemstone which would allow him to regulate and seal away these imbalanced elements. From then on, every dozen or so years, Huey and his clan members would set out on a journey to maintain the gemstones and seals at each of the five altars.

However, twenty years ago, Huey suddenly disappeared. With no one to maintain the altars, the elemental harmony he had created started to disintegrate. Soon monsters started appearing in all corners of the land. As the elemental spirits fell into disarray once more, Klein became plagued with natural disasters and the dreaded Dead Zone began to spread.

Then one day, two familiars, created many years ago by Huey, used a secret technique to summon a man from another world. They instantly recognized him as a descendant of their master - and maybe… just maybe, he’s the hero they’ve been waiting for.

After arriving on the Klein Continent, Eiden discovers he must take over Huey’s duties and learn how to regulate his own essence levels. If he can release the seals on his clan members through engaging in various sexual activities, he might just be able to restore power to the neon gemstone and find a way back home…

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[Visual Feast: Characters come to life in glorious full animation]

Each and every character is presented in glorious full animation. Players can select their favorite character to appear in the main tab and even change their outfit and level of nudity. Through steamy, lifelike interactions, players can raise their intimacy levels with their allies and even give and receive birthday gifts! Your allies will soon be longing for you day and night!

[Take Turns: Two states of undress to get your blood pumping]

NU: carnival’s battle system employs a customizable five-character team, where players can utilize type matchups and special skills to get that all-important victory. During battle, as each of your allies get hit with more and more attacks, their outfits will start to get gradually more revealing. It won’t be long until there's smooth skin and glistening muscles on display for your viewing pleasure!

[Eargasm: Be wowed by our stellar Japanese voice cast]

NU: carnival endeavors to be not only a delight for the eyes, but also for the ears. Each of the main characters has been brought to life by our cast of extinguished Japanese voice actors. Grab those headphones and immerse yourself in the sounds of manly, unadulterated pleasure. Whether it’s pleasant conversation or lusty moans, you’re in for a BL experience like no other.

[Lusty Excitement: Increase intimacy levels to unlock steamy new stories]

Complete certain requirements to raise your intimacy levels with your allies and unlock extra-special side stories! Each character has several unique H-scenes for players to enjoy. Masters can choose whether to be a top or a bottom, and enjoy each sweaty, lust-filled movement brought to life with vivid Spine animation. You’ll soon feel like you’re right in the thick of all the steaming hot action!

[Tappety Tap: desire-manipulating powers at your fingertips]

Give gifts to your allies via Temptation, increase your intimacy levels, and watch as their clothing slowly disappears. Enjoy their blushed faces as they pant and moan… All that’s left is to put your fingers to good use and enter a world of pure passion!