[Story] Ruriko Saionji is a real noble girl who attends to "Sei Man Kou Academy", an extraordinarily prestigious women's school. Her clean and neat appearance, smart manners and outstanding performance on both study and sports attract schoolmates' attentions. However, she has a hidden side that no classmates can ever imagine. That secret gradually leads her from an intelligent lady to a loose slut... In this summer vacation, she even boosts her own limitless sensuality! [Game] An erotic RPG created using "RPG TKool MV". In this summer vacation (1st Aug~1st Sep), you unlock various events by exploring around the city. Two criteria of her changing personality "Sultriness" and "Sociability" Influence the scenario and events. Relatively many number of gapeface scenes are contained. This is not that an innocent and pure girl corrupts into the pleasure, but rather she originally has slutty mind in heart, and will get even more. * (young boy) / creepy middle-aged guy / NTR (cuckoldry) fetishes are also contained. Clothing / hair color / skin color can be edited.