Mie Toyooka, who moved to this town a year ago, was troubled by her son Hiroki's reclusiveness. He was often at home, even though he was well past the period where he could get used to his new surroundings. At that time, Kumi Kouyama, who lived next door, invited him to join the "Mutual Aid Association". Mie decides to join for the sake of her son and for her own spare time. However, the "Mutual Aid Association" is a front for its real name, "mama club". Waiting for Mie were the boys. Waiting for Hiroki were the club members' mothers. Boys of the same age as her son gathered together, in the classroom at night, at home, they squirt out their immature semen to these older women.... [From official site]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Sex with Children Engages in (Sexual) | 8 | 2.52 | 5.53 |
| Sex involving Prostitution Engages in (Sexual) | 9 | 2.38 | 5.48 |
| Consensual Group Sex of One Female and Several Males Engages in (Sexual) | 6 | 2.54 | 4.95 |
| Promiscuous Personality | 7 | 2.26 | 4.70 |
| Sex with Others Engages in (Sexual) | 8 | 1.99 | 4.37 |
| Housewife Role | 5 | 2.31 | 4.13 |
| Wedding Ring Clothes | 6 | 2.01 | 3.90 |
| Infidelity Engages in | 7 | 1.82 | 3.78 |
| Sex in Classroom Engages in (Sexual) | 9 | 1.61 | 3.71 |
| Blowjob Duck Face Engages in (Sexual) | 4 | 2.23 | 3.58 |
| Vaginal Gaping Engages in (Sexual) | 5 | 1.96 | 3.50 |
| Group Sex of Multiple Females and Males Engages in (Sexual) | 5 | 1.94 | 3.47 |
| Makeup Body | 8 | 1.57 | 3.44 |
| Not a Virgin Role | 9 | 1.45 | 3.34 |
| Sex in Front of an Audience Engages in (Sexual) | 8 | 1.51 | 3.32 |
| Hazel Eyes | 4 | 2.04 | 3.28 |
| Pubic Hair Hair | 9 | 1.34 | 3.08 |
| Mother Role | 7 | 1.47 | 3.05 |
| Adult Body | 8 | 1.36 | 2.98 |
| Erotic Massage Subject of | 2 | 2.70 | 2.96 |
| Spit-roast Engages in (Sexual) | 2 | 2.45 | 2.69 |
| Chain Jewellery Clothes | 2 | 2.31 | 2.53 |
| Vaginal Masturbation Engages in (Sexual) | 3 | 1.77 | 2.45 |
| Handjob Subject of (Sexual) | 3 | 1.76 | 2.44 |
| Flustered Personality | 2 | 2.14 | 2.36 |
| Big Breasts Body | 6 | 1.19 | 2.31 |
| Vaginal Object Insertion Subject of (Sexual) | 2 | 2.09 | 2.30 |
| Butterfly Engages in (Sexual) | 2 | 2.04 | 2.24 |
| Janitor Role | 1 | 3.22 | 2.23 |
| Masturbation Engages in (Sexual) | 4 | 1.37 | 2.21 |
| Overweight Body | 2 | 2.00 | 2.19 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 5 | 1.19 | 2.14 |
| Masturbation in front of an Audience Engages in (Sexual) | 2 | 1.92 | 2.11 |
| Butterfly Subject of (Sexual) | 5 | 1.17 | 2.10 |
| Handjob Engages in (Sexual) | 5 | 1.16 | 2.08 |
| Jealous Personality | 2 | 1.89 | 2.07 |
| Double Handjob Engages in (Sexual) | 2 | 1.88 | 2.06 |
| Older Appearance Body | 1 | 2.92 | 2.02 |
| Not an Anal Virgin Role | 1 | 2.90 | 2.01 |
| Missionary Subject of (Sexual) | 5 | 1.11 | 2.00 |
| Erotic Massage Engages in | 1 | 2.88 | 1.99 |
| Gossipy Personality | 1 | 2.87 | 1.99 |
| Onahole Subject of (Sexual) | 1 | 2.83 | 1.96 |
| Outgoing Personality | 2 | 1.76 | 1.93 |
| Proactive Personality | 2 | 1.75 | 1.92 |
| Missionary Engages in (Sexual) | 2 | 1.75 | 1.92 |
| Spit-roast Subject of (Sexual) | 2 | 1.74 | 1.91 |
| Cowgirl Engages in (Sexual) | 2 | 1.72 | 1.89 |
| Group Sex of One Female and Several Males Engages in (Sexual) | 2 | 1.72 | 1.89 |
| Cunnilingus Subject of (Sexual) | 4 | 1.17 | 1.88 |
| Sex with Others Only Engages in (Sexual) | 1 | 2.69 | 1.86 |
| Inverted Nipples Body | 1 | 2.67 | 1.85 |
| Cowgirl Subject of (Sexual) | 6 | 0.95 | 1.85 |
| Pervert Personality | 2 | 1.65 | 1.81 |
| Piledriver Engages in (Sexual) | 1 | 2.58 | 1.79 |
| Vaginal Fingering Engages in (Sexual) | 2 | 1.62 | 1.78 |
| Penile Masturbation Engages in (Sexual) | 1 | 2.55 | 1.77 |
| Office Lady Role | 1 | 2.49 | 1.72 |
| Blowbang Engages in (Sexual) | 1 | 2.46 | 1.71 |
| Ribbon Headband Clothes | 1 | 2.46 | 1.71 |
| Balding Hair | 1 | 2.45 | 1.70 |
| Homeroom Teacher Role | 1 | 2.45 | 1.70 |
| Wife Role | 2 | 1.55 | 1.70 |
| Masturbation with Object Engages in (Sexual) | 1 | 2.44 | 1.69 |
| Dildo Subject of (Sexual) | 1 | 2.43 | 1.68 |
| Blowjob Subject of (Sexual) | 2 | 1.53 | 1.68 |
| Exhibitionist Role | 1 | 2.43 | 1.68 |
| French Kiss Engages in (Sexual) | 2 | 1.52 | 1.67 |
| Doggy Style Subject of (Sexual) | 5 | 0.92 | 1.65 |
| Pinafore Dress Clothes | 1 | 2.36 | 1.64 |
| Deepthroat Subject of (Sexual) | 1 | 2.36 | 1.64 |
| Principal Role | 1 | 2.36 | 1.64 |
| Blouse Clothes | 2 | 1.48 | 1.62 |
| Incest Engages in (Sexual) | 2 | 1.47 | 1.62 |
| Divorcee Role | 1 | 2.33 | 1.62 |
| Obedient Personality | 1 | 2.33 | 1.62 |
| Polo Shirt Clothes | 1 | 2.31 | 1.60 |
| Vaginal + Anal Object Insertion Subject of (Sexual) | 1 | 2.30 | 1.60 |
| Anal Object Insertion Subject of (Sexual) | 1 | 2.29 | 1.58 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.53 |
| Nipple Sucking Subject of (Sexual) | 2 | 1.39 | 1.53 |
| Spats Clothes | 1 | 2.19 | 1.52 |
| Voyeurism Engages in (Sexual) | 1 | 2.17 | 1.51 |
| Quickie Fix Subject of (Sexual) | 3 | 1.08 | 1.49 |
| Insightful Personality | 1 | 2.11 | 1.47 |
| Freckles Body | 1 | 2.10 | 1.45 |
| Kind Personality | 3 | 1.04 | 1.44 |
| Sex on Toilet Engages in (Sexual) | 1 | 2.06 | 1.43 |
| Vibrator Subject of (Sexual) | 1 | 2.06 | 1.43 |
| Docile Personality | 1 | 2.06 | 1.43 |
| Sly Personality | 1 | 2.05 | 1.42 |
| Anal Beads Subject of (Sexual) | 1 | 2.01 | 1.39 |
| Neighbor Role | 1 | 2.00 | 1.38 |
| Voyeurism Subject of | 1 | 1.99 | 1.38 |
| Sexual Corruption Subject of | 1 | 1.97 | 1.37 |
| Blowjob Engages in (Sexual) | 5 | 0.76 | 1.36 |
| Piledriver Subject of (Sexual) | 1 | 1.95 | 1.35 |
| Slicked Back Hair | 1 | 1.91 | 1.33 |
| Bra Clothes | 1 | 1.90 | 1.32 |
| Quickie Fix Engages in (Sexual) | 1 | 1.89 | 1.31 |
| Gang Rape Subject of (Sexual) | 1 | 1.89 | 1.31 |
| Standing Sex Engages in (Sexual) | 1 | 1.88 | 1.31 |
| Standing Sex Subject of (Sexual) | 2 | 1.18 | 1.29 |
| Strict Personality | 1 | 1.84 | 1.28 |
| Honest Personality | 1 | 1.84 | 1.28 |
| Mature Personality | 1 | 1.83 | 1.27 |
| Deepthroat Engages in (Sexual) | 1 | 1.81 | 1.26 |
| Cheerful Personality | 1 | 1.78 | 1.23 |
| Anal Sex Engages in (Sexual) | 1 | 1.77 | 1.23 |
| Panties Clothes | 1 | 1.75 | 1.21 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.73 | 1.20 |
| Sports Shoes Clothes | 1 | 1.73 | 1.20 |
| Vaginal Fingering Subject of (Sexual) | 2 | 1.08 | 1.18 |
| Naive Personality | 1 | 1.71 | 1.18 |
| Small Breasts Body | 1 | 1.70 | 1.18 |
| Loyal Personality | 1 | 1.70 | 1.18 |
| Doggy Style Engages in (Sexual) | 1 | 1.70 | 1.18 |
| No Bangs Hair | 1 | 1.68 | 1.16 |
| Carefree Personality | 1 | 1.67 | 1.16 |
| Sweater Clothes | 1 | 1.64 | 1.14 |
| Mole Body | 1 | 1.62 | 1.12 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Grey Eyes | 1 | 1.61 | 1.11 |
| Nipple Teasing Subject of (Sexual) | 1 | 1.59 | 1.10 |
| Brown Hair | 4 | 0.68 | 1.09 |
| Cunnilingus Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Refined Personality | 1 | 1.55 | 1.08 |
| Medium Breasts Body | 1 | 1.55 | 1.07 |
| Teacher Role | 1 | 1.55 | 1.07 |
| Hard Worker Personality | 1 | 1.54 | 1.07 |
| Student Role | 1 | 1.48 | 1.03 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Short Hair | 4 | 0.61 | 0.98 |
| Blond Hair | 2 | 0.88 | 0.97 |
| Hosome Eyes | 1 | 1.36 | 0.94 |
| Kid Body | 1 | 1.36 | 0.94 |
| Bukkake Subject of (Sexual) | 1 | 1.34 | 0.93 |
| Skirt Clothes | 1 | 1.33 | 0.92 |
| Red Hair | 1 | 1.32 | 0.92 |
| Black Hair | 2 | 0.81 | 0.89 |
| Sex in Public Places Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Friendly Personality | 1 | 1.23 | 0.85 |
| Violet Hair | 1 | 1.19 | 0.82 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Twin Tails Hair | 1 | 1.12 | 0.78 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Parted to Side Hair | 1 | 1.07 | 0.74 |
| Sitting Sex Subject of (Sexual) | 1 | 1.05 | 0.73 |
| Amber Eyes | 1 | 1.02 | 0.71 |
| Shoulder-length Hair | 1 | 0.91 | 0.63 |
| Virgin Sex Engages in (Sexual) | 1 | 0.84 | 0.58 |
| Young-adult Body | 1 | 0.77 | 0.53 |
| Pale Body | 2 | 0.37 | 0.41 |
| Slim Body | 1 | 0.57 | 0.40 |