A beautiful college girl named Misaki (age 20) participates in various volunteer activities and fundraisers while maintaining her innocence. Despite being a virgin, she decides to lose her virginity through a charitable cause called "pure girls." During this experience, she discovers her sexual desires and undergoes training to improve her stamina. As she becomes more experienced, she learns different positions like grind-riding and gentle play that bring pleasure to both partners. Her pure heart shines through each act of service, making every encounter special. Although still learning about herself and her body, she enjoys exploring new sensations such as handjobs leading to unexpected orgasms. She remains committed to helping others while embracing her own sexuality.
