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 | 2.49 | 5.47 |
| Sex involving Prostitution Engages in (Sexual) | 9 | 2.37 | 5.45 |
| Consensual Group Sex of One Female and Several Males Engages in (Sexual) | 6 | 2.48 | 4.83 |
| Promiscuous Personality | 7 | 2.20 | 4.57 |
| Sex with Others Engages in (Sexual) | 8 | 1.99 | 4.37 |
| Housewife Role | 5 | 2.30 | 4.13 |
| Wedding Ring Clothes | 6 | 2.00 | 3.89 |
| Infidelity Engages in | 7 | 1.80 | 3.73 |
| Sex in Classroom Engages in (Sexual) | 9 | 1.61 | 3.70 |
| Blowjob Duck Face Engages in (Sexual) | 4 | 2.24 | 3.60 |
| Vaginal Gaping Engages in (Sexual) | 5 | 1.95 | 3.50 |
| Group Sex of Multiple Females and Males Engages in (Sexual) | 5 | 1.91 | 3.42 |
| Makeup Body | 8 | 1.54 | 3.38 |
| Sex in Front of an Audience Engages in (Sexual) | 8 | 1.50 | 3.30 |
| Hazel Eyes | 4 | 2.04 | 3.28 |
| Not a Virgin Role | 9 | 1.42 | 3.28 |
| Pubic Hair Hair | 9 | 1.34 | 3.08 |
| Mother Role | 7 | 1.46 | 3.03 |
| Adult Body | 8 | 1.35 | 2.96 |
| Erotic Massage Subject of | 2 | 2.59 | 2.84 |
| Spit-roast Engages in (Sexual) | 2 | 2.45 | 2.69 |
| Chain Jewellery Clothes | 2 | 2.31 | 2.54 |
| Handjob Subject of (Sexual) | 3 | 1.75 | 2.43 |
| Vaginal Masturbation Engages in (Sexual) | 3 | 1.70 | 2.35 |
| Flustered Personality | 2 | 2.13 | 2.34 |
| Masturbation Engages in (Sexual) | 4 | 1.39 | 2.23 |
| Big Breasts Body | 6 | 1.14 | 2.22 |
| Butterfly Engages in (Sexual) | 2 | 2.02 | 2.22 |
| Janitor Role | 1 | 3.20 | 2.22 |
| Vaginal Object Insertion Subject of (Sexual) | 2 | 2.01 | 2.21 |
| Overweight Body | 2 | 1.99 | 2.19 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 5 | 1.17 | 2.11 |
| Butterfly Subject of (Sexual) | 5 | 1.17 | 2.10 |
| Masturbation in front of an Audience Engages in (Sexual) | 2 | 1.90 | 2.09 |
| Handjob Engages in (Sexual) | 5 | 1.16 | 2.07 |
| Double Handjob Engages in (Sexual) | 2 | 1.89 | 2.07 |
| Jealous Personality | 2 | 1.88 | 2.06 |
| Older Appearance Body | 1 | 2.92 | 2.02 |
| Missionary Subject of (Sexual) | 5 | 1.12 | 2.00 |
| Not an Anal Virgin Role | 1 | 2.88 | 2.00 |
| Gossipy Personality | 1 | 2.85 | 1.97 |
| Erotic Massage Engages in | 1 | 2.83 | 1.96 |
| Onahole Subject of (Sexual) | 1 | 2.83 | 1.96 |
| Spit-roast Subject of (Sexual) | 2 | 1.75 | 1.92 |
| Missionary Engages in (Sexual) | 2 | 1.74 | 1.91 |
| Outgoing Personality | 2 | 1.74 | 1.91 |
| Proactive Personality | 2 | 1.72 | 1.89 |
| Cowgirl Engages in (Sexual) | 2 | 1.72 | 1.89 |
| Cunnilingus Subject of (Sexual) | 4 | 1.16 | 1.87 |
| Group Sex of One Female and Several Males Engages in (Sexual) | 2 | 1.70 | 1.87 |
| Inverted Nipples Body | 1 | 2.68 | 1.86 |
| Cowgirl Subject of (Sexual) | 6 | 0.95 | 1.86 |
| Sex with Others Only Engages in (Sexual) | 1 | 2.65 | 1.84 |
| Pervert Personality | 2 | 1.63 | 1.79 |
| Vaginal Fingering Engages in (Sexual) | 2 | 1.62 | 1.78 |
| Piledriver Engages in (Sexual) | 1 | 2.55 | 1.77 |
| Penile Masturbation Engages in (Sexual) | 1 | 2.47 | 1.71 |
| Office Lady Role | 1 | 2.47 | 1.71 |
| Ribbon Headband Clothes | 1 | 2.45 | 1.70 |
| Homeroom Teacher Role | 1 | 2.45 | 1.70 |
| Masturbation with Object Engages in (Sexual) | 1 | 2.45 | 1.69 |
| Balding Hair | 1 | 2.44 | 1.69 |
| Blowbang Engages in (Sexual) | 1 | 2.44 | 1.69 |
| Wife Role | 2 | 1.54 | 1.69 |
| Exhibitionist Role | 1 | 2.42 | 1.68 |
| Blowjob Subject of (Sexual) | 2 | 1.52 | 1.67 |
| Doggy Style Subject of (Sexual) | 5 | 0.93 | 1.66 |
| Dildo Subject of (Sexual) | 1 | 2.38 | 1.65 |
| Principal Role | 1 | 2.36 | 1.64 |
| French Kiss Engages in (Sexual) | 2 | 1.49 | 1.63 |
| Pinafore Dress Clothes | 1 | 2.36 | 1.63 |
| Deepthroat Subject of (Sexual) | 1 | 2.35 | 1.63 |
| Incest Engages in (Sexual) | 2 | 1.47 | 1.61 |
| Blouse Clothes | 2 | 1.47 | 1.61 |
| Divorcee Role | 1 | 2.31 | 1.60 |
| Obedient Personality | 1 | 2.29 | 1.59 |
| Polo Shirt Clothes | 1 | 2.29 | 1.59 |
| Vaginal + Anal Object Insertion Subject of (Sexual) | 1 | 2.26 | 1.57 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.53 |
| Spats Clothes | 1 | 2.20 | 1.52 |
| Nipple Sucking Subject of (Sexual) | 2 | 1.38 | 1.52 |
| Anal Object Insertion Subject of (Sexual) | 1 | 2.19 | 1.52 |
| Quickie Fix Subject of (Sexual) | 3 | 1.08 | 1.50 |
| Voyeurism Engages in (Sexual) | 1 | 2.14 | 1.49 |
| Insightful Personality | 1 | 2.10 | 1.45 |
| Kind Personality | 3 | 1.03 | 1.42 |
| Freckles Body | 1 | 2.05 | 1.42 |
| Docile Personality | 1 | 2.04 | 1.42 |
| Sly Personality | 1 | 2.04 | 1.41 |
| Sex on Toilet Engages in (Sexual) | 1 | 2.04 | 1.41 |
| Anal Beads Subject of (Sexual) | 1 | 2.01 | 1.39 |
| Neighbor Role | 1 | 2.00 | 1.38 |
| Vibrator Subject of (Sexual) | 1 | 1.98 | 1.37 |
| Blowjob Engages in (Sexual) | 5 | 0.76 | 1.36 |
| Sexual Corruption Subject of | 1 | 1.97 | 1.36 |
| Voyeurism Subject of | 1 | 1.96 | 1.36 |
| Piledriver Subject of (Sexual) | 1 | 1.94 | 1.35 |
| Slicked Back Hair | 1 | 1.91 | 1.33 |
| Gang Rape Subject of (Sexual) | 1 | 1.89 | 1.31 |
| Quickie Fix Engages in (Sexual) | 1 | 1.88 | 1.31 |
| Standing Sex Engages in (Sexual) | 1 | 1.87 | 1.30 |
| Bra Clothes | 1 | 1.87 | 1.29 |
| Standing Sex Subject of (Sexual) | 2 | 1.18 | 1.29 |
| Honest Personality | 1 | 1.84 | 1.27 |
| Strict Personality | 1 | 1.83 | 1.27 |
| Younger Appearance Body | 1 | 1.82 | 1.26 |
| Mature Personality | 1 | 1.81 | 1.26 |
| Deepthroat Engages in (Sexual) | 1 | 1.80 | 1.25 |
| Anal Sex Engages in (Sexual) | 1 | 1.76 | 1.22 |
| Cheerful Personality | 1 | 1.74 | 1.21 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.73 | 1.20 |
| Panties Clothes | 1 | 1.73 | 1.20 |
| Sports Shoes Clothes | 1 | 1.72 | 1.20 |
| Vaginal Fingering Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Naive Personality | 1 | 1.69 | 1.17 |
| Loyal Personality | 1 | 1.69 | 1.17 |
| Doggy Style Engages in (Sexual) | 1 | 1.69 | 1.17 |
| Carefree Personality | 1 | 1.68 | 1.16 |
| Small Breasts Body | 1 | 1.67 | 1.15 |
| No Bangs Hair | 1 | 1.66 | 1.15 |
| Sweater Clothes | 1 | 1.64 | 1.14 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Grey Eyes | 1 | 1.60 | 1.11 |
| Mole Body | 1 | 1.59 | 1.10 |
| Brown Hair | 4 | 0.68 | 1.10 |
| Nipple Teasing Subject of (Sexual) | 1 | 1.57 | 1.09 |
| Cunnilingus Engages in (Sexual) | 1 | 1.55 | 1.08 |
| Teacher Role | 1 | 1.55 | 1.08 |
| Refined Personality | 1 | 1.54 | 1.07 |
| Hard Worker Personality | 1 | 1.54 | 1.07 |
| Medium Breasts Body | 1 | 1.52 | 1.05 |
| Student Role | 1 | 1.49 | 1.03 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Short Hair | 4 | 0.61 | 0.98 |
| Blond Hair | 2 | 0.89 | 0.97 |
| Hosome Eyes | 1 | 1.37 | 0.95 |
| Kid Body | 1 | 1.37 | 0.95 |
| Bukkake Subject of (Sexual) | 1 | 1.35 | 0.93 |
| Skirt Clothes | 1 | 1.33 | 0.93 |
| Red Hair | 1 | 1.32 | 0.92 |
| Black Hair | 2 | 0.81 | 0.88 |
| Sex in Public Places Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Friendly Personality | 1 | 1.22 | 0.85 |
| Violet Hair | 1 | 1.19 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Twin Tails Hair | 1 | 1.13 | 0.78 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Sitting Sex Subject of (Sexual) | 1 | 1.06 | 0.74 |
| Parted to Side Hair | 1 | 1.05 | 0.73 |
| Amber Eyes | 1 | 1.03 | 0.71 |
| Shoulder-length Hair | 1 | 0.92 | 0.64 |
| Virgin Sex Engages in (Sexual) | 1 | 0.85 | 0.59 |
| Teen Body | 1 | 0.62 | 0.43 |
| Pale Body | 2 | 0.37 | 0.41 |
| Slim Body | 1 | 0.58 | 0.40 |