"Onii-chan... have you built up again?" Sakura, the brave and kind sister who calms her shut-in brother's sexual desires using her G-cup bust. With her uniform on, she performs paizuri, with fresh milk, of course, paizuri, in the car, paizuri... anytime, anywhere, she serves her huge breasts. You can experience the emotion of monopolizing her unique white, huge breasts! This is a 150-minute full-length paizuri work that perfectly matches Mito-chan's quiet and gentle, warm character, and her brave and hardworking service style!