The protagonist of this story is the son of the protagonist from the previous work, and he is worried that he too will suffer from the same condition as his father - hyperspermia. One day, he finds an erotic book in his sister's room, which causes his genitalia to enlarge. Soon, his mother finds out and takes him to the hospital, where he is diagnosed with hyperspermia. The treatment prescribed is to release more sperm. The mother and sister do everything they can to help him, and even the mother of his classmate and a female doctor at the hospital assist him.
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Sex with Children Engages in (Sexual) | 3 | 2.49 | 3.45 |
| Group Sex of Multiple Females and Males Engages in (Sexual) | 5 | 1.91 | 3.42 |
| Bisexual Role | 4 | 1.95 | 3.13 |
| Non-penetrative Sex Engages in (Sexual) | 2 | 2.59 | 2.84 |
| Parent-Teacher Association Member Role | 1 | 4.02 | 2.78 |
| Housewife Role | 2 | 2.30 | 2.53 |
| Incest Engages in (Sexual) | 4 | 1.47 | 2.36 |
| Parent Act Role | 1 | 3.26 | 2.26 |
| Female Ejaculation Engages in (Sexual) | 4 | 1.37 | 2.20 |
| Facesitting Engages in (Sexual) | 2 | 1.97 | 2.17 |
| Cunnilingus Engages in (Sexual) | 3 | 1.55 | 2.15 |
| Mutual Masturbation Engages in (Sexual) | 2 | 1.94 | 2.13 |
| Blouse Clothes | 3 | 1.47 | 2.04 |
| Reverse Spitroast Subject of (Sexual) | 2 | 1.84 | 2.02 |
| Infidelity Engages in | 2 | 1.79 | 1.97 |
| Onahole Subject of (Sexual) | 1 | 2.83 | 1.96 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 4 | 1.17 | 1.89 |
| Vaginal Masturbation Engages in (Sexual) | 2 | 1.70 | 1.86 |
| Reverse Spitroast Engages in (Sexual) | 1 | 2.59 | 1.80 |
| Sixty-nine Engages in (Sexual) | 3 | 1.26 | 1.74 |
| Penile Masturbation Engages in (Sexual) | 1 | 2.48 | 1.72 |
| Facesitting Subject of (Sexual) | 1 | 2.35 | 1.63 |
| Cunnilingus Subject of (Sexual) | 3 | 1.16 | 1.61 |
| Twin Blowjob Subject of (Sexual) | 1 | 2.32 | 1.61 |
| Handjob Engages in (Sexual) | 3 | 1.16 | 1.61 |
| Mother Role | 2 | 1.46 | 1.60 |
| Divorcee Role | 1 | 2.31 | 1.60 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Leggings Clothes | 1 | 2.29 | 1.59 |
| Big Breasts Body | 3 | 1.14 | 1.58 |
| Not a Virgin Role | 2 | 1.42 | 1.56 |
| Black Eyes | 2 | 1.42 | 1.56 |
| Missionary Subject of (Sexual) | 3 | 1.12 | 1.55 |
| Reverse Cowgirl Engages in (Sexual) | 1 | 2.22 | 1.54 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.52 |
| Masturbation Engages in (Sexual) | 2 | 1.39 | 1.52 |
| Voyeurism Engages in (Sexual) | 1 | 2.15 | 1.49 |
| Flustered Personality | 1 | 2.13 | 1.47 |
| Pubic Hair Hair | 2 | 1.34 | 1.47 |
| Tominagi Engages in (Sexual) | 1 | 2.12 | 1.47 |
| Medical Doctor Role | 1 | 2.09 | 1.45 |
| Altruistic Personality | 1 | 2.08 | 1.44 |
| Short Body | 1 | 2.07 | 1.43 |
| Vaginal Object Insertion Subject of (Sexual) | 1 | 2.01 | 1.39 |
| Neighbor Role | 1 | 2.00 | 1.38 |
| Voyeurism Subject of | 1 | 1.96 | 1.36 |
| Full Brother Role | 1 | 1.95 | 1.35 |
| Antenna Hair | 1 | 1.93 | 1.33 |
| Cowgirl Subject of (Sexual) | 3 | 0.95 | 1.32 |
| Younger Brother Role | 1 | 1.90 | 1.32 |
| Quickie Fix Engages in (Sexual) | 1 | 1.88 | 1.31 |
| Boobjob Subject of (Sexual) | 1 | 1.86 | 1.29 |
| Strict Personality | 1 | 1.83 | 1.27 |
| Sitting Sex Engages in (Sexual) | 1 | 1.83 | 1.27 |
| Son Role | 1 | 1.82 | 1.26 |
| Mature Personality | 1 | 1.81 | 1.26 |
| Lab Coat Clothes | 1 | 1.80 | 1.24 |
| Anal Sex Engages in (Sexual) | 1 | 1.76 | 1.22 |
| Handjob Subject of (Sexual) | 1 | 1.75 | 1.22 |
| Missionary Engages in (Sexual) | 1 | 1.74 | 1.21 |
| Outgoing Personality | 1 | 1.73 | 1.20 |
| Mischievous Personality | 1 | 1.73 | 1.20 |
| Cowgirl Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Reserved Personality | 1 | 1.71 | 1.19 |
| Doggy Style Engages in (Sexual) | 1 | 1.68 | 1.17 |
| Shorts Clothes | 1 | 1.68 | 1.16 |
| Small Breasts Body | 1 | 1.67 | 1.16 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Pervert Personality | 1 | 1.63 | 1.13 |
| Kind Personality | 2 | 1.03 | 1.13 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Full Sister Role | 1 | 1.57 | 1.09 |
| Older Sister Role | 1 | 1.56 | 1.08 |
| Young-adult Body | 3 | 0.76 | 1.06 |
| Blowjob Subject of (Sexual) | 1 | 1.52 | 1.06 |
| Pendant Necklace Clothes | 1 | 1.52 | 1.06 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.06 |
| Daughter Role | 1 | 1.46 | 1.01 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Earrings Clothes | 1 | 1.42 | 0.99 |
| Hair Tie Clothes | 1 | 1.41 | 0.97 |
| Blunt Bangs Hair | 1 | 1.40 | 0.97 |
| Tsurime Eyes | 1 | 1.38 | 0.96 |
| Kid Body | 1 | 1.37 | 0.95 |
| Hosome Eyes | 1 | 1.37 | 0.95 |
| Wavy Hair | 1 | 1.36 | 0.94 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Virgin Sex Engages in (Sexual) | 2 | 0.85 | 0.93 |
| Bukkake Subject of (Sexual) | 1 | 1.35 | 0.93 |
| Pink Hair | 1 | 1.33 | 0.92 |
| Ahoge Hair | 1 | 1.32 | 0.91 |
| Black Hair | 2 | 0.81 | 0.88 |
| Parted in Middle Hair | 1 | 1.25 | 0.87 |
| Friendly Personality | 1 | 1.22 | 0.84 |
| Long Hair | 2 | 0.75 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Twin Tails Hair | 1 | 1.13 | 0.78 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Brown Hair | 2 | 0.68 | 0.75 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Boobjob Engages in (Sexual) | 1 | 1.07 | 0.74 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Sitting Sex Subject of (Sexual) | 1 | 1.06 | 0.74 |
| Sidehair Hair | 1 | 0.98 | 0.68 |
| Short Hair | 2 | 0.61 | 0.67 |
| Pale Body | 5 | 0.37 | 0.66 |
| Doggy Style Subject of (Sexual) | 1 | 0.92 | 0.64 |
| Shoulder-length Hair | 1 | 0.92 | 0.64 |
| Blue Eyes | 1 | 0.80 | 0.56 |
| School Uniform Clothes | 1 | 0.75 | 0.52 |
| Teen Body | 1 | 0.62 | 0.43 |