In the city of Otsuna, a crimson-eyed girl invites Ryou to help her defeat a powerful enemy. An endless night approaches... but alongside his new friends, can Ryou cut through the darkness and save the world? Find out in this urban fantasy visual novel-dungeon crawler hybrid!

A bewitching blue moon, the True Moon, has risen in the sky... and beneath it lies the city of Otsuna. Ryou Hamura is living an average life in Otsuna when one night, he's attacked by dark forces. He's saved just in time by Izumi Kagura, a girl with piercing red eyes who happens to attend his school, Oumidai Academy.

Izumi convinces him to work alongside her to defeat the Light Hunters, supernatural beings causing mayhem in the city. As a new member of Izumi's Astronomy Club, a ragtag group of Oumidai Academy students with superhuman abilities, Ryou begins to unlock his hidden strength and grow closer to his new allies.

However, the Light Hunters have their own plan in store, and an azure night of eternal despair draws ever closer. Unravel the mysteries lurking in Otsuna's shadows to bring the night to an end!



Learn more about your friends in the Astronomy Club, the Firefolk, and the Light Hunters in visual novel segments during the day. Want to become a well-balanced warrior? Allocate your skill points efficiently and train with your clubmates before battle! When night falls, dive into dungeons and grind your heart out to prepare for challenging boss fights.

Play in Classic Mode for a throwback to old-school dungeon crawling, or in Modern Mode to try out streamlined game mechanics.









Dungeon-Crawling Action

Explore and battle enemies in the Rift, a sealed dimension containing multi-layered dungeons, while searching for hidden treasures. What will you uncover in its depths?

Turn-Based Combat

Choose which allies you bring into dungeons and utilize their unique skills to win thrilling turn-based battles.

Exciting Visual Novel Segments

Immerse yourself in the world of Yoru ga Kuru through its captivating plot and gorgeous art. Branching storylines, multiple endings, and plenty of CGs to collect ensure tons of replay value!

Weapon Crafting

Use items to upgrade existing weapons and craft new ones. How you arm yourself is entirely up to you!

Stellar Music & Voice Acting

Feast your ears on an original soundtrack by renowned composer Shade and voice acting by veteran performers, including the legendary Yui Sakakibara as Kyouka!