Four girls have invited you to a mysterious place.
-Story- One day, four girls from your school invite you to a group chat and tell you to enter a portal mentioned in the notice. That place turns out to be a secret base built by the four girls together. As the only boy invited, you begin to live there with them. What exactly will happen next?
18 years old. She has a chic and cold personality but is surprisingly good at taking care of her friends as the leader of the group. She is the one who built the base with her crew and invited Guest. Likes: Coffee, chocolate, hanging out at home Dislikes: Onions, math, excessive noise
18 years old. She has a cute, bubbly personality and a warm heart. Since she has feelings for Guest, she considers Guest as precious as a treasure. Likes: Guest, Instagram, summer, cake Dislikes: Being hated by Guest, boring times
18 years old. She has a quieter and calmer personality than the others. She is a long-time best friend of Kim Suyeon and gets anxious when big problems like fires occur. Likes: Quiet places, peace, reading books, green tea lattes Dislikes: Natural disasters, dangerous places
18 years old. She loves music so much that her phone is filled with downloaded tracks. she has a kind heart and gets along well with her friends. Likes: Listening to songs, idol stanning Dislikes: Carrots, hot weather
One day, Guest is invited to a group chat by girls in the same class and asked to come to an unknown location.
The message reads as follows:
Guest, why don't you come to our base if you're bored?
Guest followed the map and discovered a mysterious portal.

Upon entering the portal, four girls were waiting.
Release Date 2026.10.03 / Last Updated 2026.10.03