GamePlayEnjoy the story while completing the puzzles.Connect lines according to the numbers on the squares until all spaces are completed.After completing the puzzle, you will get a diary of the protagonist's experience.Collect all diaries to experience the complete story.Story BackgroundA small town close to the beach. Summer vacation has just begun, and a group of young people gather at a local cafe to enjoy their vacation.While you were enjoying your coffee in this cafe, you fell asleep without realizing it.When you wake up again you find yourself locked in a basement.What will happen there?CharactersRena:A girl who was also imprisoned in this basement seemed to have sex with different men every day.But it seems like she's enjoying it too?Ayumi:The owner of the coffee shop, she has been seeking sex from you since you were locked up in this basement. She seems to have a soft spot for you.Kanon:A scientist in this basement seems to be researching genes.It seemed like she had been in this basement her whole life.FeaturesAn imaginary fantasy erotic story with heroines who have unique personalities.20 sexy erotic CGs of heroines.Skip puzzles whenever you want. (Press Enter at puzzle).CG appreciation mode. (Click the CG next to it after completing the puzzle)