"You are a child born from the pre-cum of some unknown drunkard!" Monaka was abused by her mother from an early age, and whenever her mother brought a man into the house, she was left out in the cold. Her mother made Monaka, who was now a high school student, have sex with her just to hold on to the scumbag who was about to abandon her. Monaka's "determination" hidden in her worst first experience. It was to take the man away from her mother and push him to the depths of despair. The scumbag's insane sadism violates Monaka recklessly, but he becomes obsessed with Monaka's charm as she transforms into an adult. She says goodbye to her youth with the only boy she can trust, her childhood friend. "Mom, why did you give me such a strange name?" "I just liked bean paste back then, that's all." What will be the outcome of Monaka's "revenge" as she tries to live her life to the fullest... An immortal masterpiece of hardcore porn, performed with all her heart and soul by Sengoku Monaka!