Sakura Saki finds herself unable to even call her stepfather "Dad," overwhelmed by the stress of adjusting to life with him. Instead of confiding in her mother, she gets drawn into satisfying her stepfather's desires using her own vulnerabilities. From the day her mother leaves home, Sakura's life becomes a daily routine of being forced into lewd outfits and submitting to his every command—morning, noon, and night. She's subjected to compulsory blowjob sessions during forced mixed bathing, pressured into gonzo sex filmed at night, and blackmailed into stripping on demand. Drenched in creampie after creampie, she gradually begins to accept the pleasure she once despised from her stepfather. Over time, she starts consciously whispering, "I want more of Daddy's cock..."