Beautiful and elegant office lady Aian Hanasaki embarks on her first anal experience, driven by her growing desire as she matures. Curious and excited, she wonders, "What will it feel like if I have sex using my butt? Will it be amazing?" Her fascination with anal play intensifies day by day, overcoming her shyness and embarrassment, until she finally decides to open up her anus herself. In the main scenes, she experiences ultimate pleasure through anal sex and double penetration, stimulating both holes at once. Watch her body respond and transform as she discovers new depths of sensation. This is a film that captures Aian Hanasaki’s evolution and sexual awakening.