Kenta is an ordinary uni student, that due to his parent going overseas to work he is sent to his aunt house and her daughter that lives all alone. He loves his cousin Reina who is two years older than Kenta. One day, when he smells Reina's underwear secretly, Marina, who is Reina's mother, turns up. She threatens him to have a sexual relationship with her... Kenta is becoming her sexual slave gradually struggling between the love toward Reina and sexual desire toward Marina.
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| Name | Score | Importance | Weight |
|---|---|---|---|
| Blood-related Aunt/Nephew Incest | 3.00 | 2.35 | 7.04 |
| Protagonist's Aunt as a Heroine | 3.00 | 2.23 | 6.70 |
| Divorcee Heroine | 2.00 | 2.52 | 5.04 |
| Blood-related Mother/Daughter Incest | 2.00 | 2.20 | 4.40 |
| Literary Adaptation | 2.00 | 2.06 | 4.13 |
| Cousin Incest | 2.00 | 2.01 | 4.02 |
| Oyakodon Ending | 2.00 | 1.99 | 3.98 |
| Heroine with Children | 2.00 | 1.90 | 3.81 |
| Protagonist's Cousin as a Heroine | 2.00 | 1.88 | 3.77 |
| Nympho Heroine | 2.00 | 1.82 | 3.65 |
| Early Branching Plot | 2.00 | 1.74 | 3.48 |
| Female Domination | 2.00 | 1.44 | 2.88 |
| Heroine with Sexual Experience | 2.00 | 1.21 | 2.42 |
| Adult Heroine | 2.00 | 1.13 | 2.27 |
| Sex with Protagonist Only | 2.00 | 1.13 | 2.26 |
| High Sexual Content | 2.00 | 1.05 | 2.10 |
| Cunnilingus | 2.00 | 0.93 | 1.86 |
| Group Sex of One Male and Several Females | 2.00 | 0.92 | 1.83 |
| Sex in a Vehicle | 1.00 | 1.79 | 1.79 |
| Naked Sprites | 1.00 | 1.05 | 1.05 |
| Defloration | 1.00 | 0.76 | 0.76 |
| Male Protagonist | 2.00 | 0.30 | 0.60 |
| ADV | 2.00 | 0.14 | 0.29 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Reverse Spitroast Subject of (Sexual) | 2 | 1.84 | 2.02 |
| Bathrobe Clothes | 1 | 2.78 | 1.93 |
| Pubic Hair Hair | 3 | 1.34 | 1.85 |
| Vaginal Fisting Subject of (Sexual) | 1 | 2.47 | 1.71 |
| Baby-doll Clothes | 1 | 2.44 | 1.69 |
| Aunt Role | 1 | 2.37 | 1.64 |
| Pissing Engages in (Sexual) | 2 | 1.47 | 1.61 |
| Blouse Clothes | 2 | 1.46 | 1.61 |
| Divorcee Role | 1 | 2.30 | 1.60 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Nipple Sucking Subject of (Sexual) | 2 | 1.38 | 1.52 |
| Seduction Engages in | 1 | 2.17 | 1.51 |
| Driving Engages in | 1 | 2.16 | 1.50 |
| Boobs on Glass Subject of (Sexual) | 1 | 2.15 | 1.49 |
| Tominagi Subject of (Sexual) | 2 | 1.36 | 1.49 |
| Sitting Sex Subject of (Sexual) | 3 | 1.06 | 1.47 |
| Sex in a Vehicle Engages in (Sexual) | 1 | 2.03 | 1.41 |
| Neighbor Role | 1 | 1.99 | 1.38 |
| Facesitting Engages in (Sexual) | 1 | 1.97 | 1.37 |
| Cardigan Clothes | 1 | 1.88 | 1.30 |
| Cousin Role | 1 | 1.87 | 1.30 |
| Cunnilingus Subject of (Sexual) | 2 | 1.16 | 1.28 |
| Handjob Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Flirting Engages in | 1 | 1.79 | 1.24 |
| Vaginal/Anal Sexual Toys Subject of (Sexual) | 1 | 1.74 | 1.20 |
| Footjob Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Quickie Fix Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Vaginal Fingering Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Rope Bondage Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Mini-dress Clothes | 1 | 1.63 | 1.13 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Garter Belt Stockings Clothes | 1 | 1.62 | 1.12 |
| University Student Role | 1 | 1.59 | 1.10 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.06 |
| Green Hair | 1 | 1.48 | 1.02 |
| Doggy Style Subject of (Sexual) | 2 | 0.92 | 1.02 |
| Mother Role | 1 | 1.46 | 1.01 |
| Daughter Role | 1 | 1.45 | 1.01 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Jacket Clothes | 1 | 1.42 | 0.98 |
| Masturbation Engages in (Sexual) | 1 | 1.39 | 0.97 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Female Ejaculation Engages in (Sexual) | 1 | 1.36 | 0.94 |
| Wavy Hair | 1 | 1.36 | 0.94 |
| Adult Body | 1 | 1.34 | 0.93 |
| Skirt Clothes | 1 | 1.34 | 0.93 |
| Sixty-nine Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Dress Clothes | 1 | 1.25 | 0.87 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Missionary Subject of (Sexual) | 1 | 1.12 | 0.77 |
| Brown Hair | 2 | 0.68 | 0.75 |
| Boobjob Engages in (Sexual) | 1 | 1.07 | 0.74 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Parted to Side Hair | 1 | 1.05 | 0.73 |
| Violet Eyes | 1 | 1.05 | 0.72 |
| Thigh-high Stockings Clothes | 1 | 1.04 | 0.72 |
| Kind Personality | 1 | 1.03 | 0.71 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Straight Hair | 1 | 0.94 | 0.65 |
| Shoulder-length Hair | 1 | 0.92 | 0.64 |
| Virgin Sex Engages in (Sexual) | 1 | 0.85 | 0.59 |
| Waist Length+ Hair | 1 | 0.81 | 0.56 |
| Long Hair | 1 | 0.75 | 0.52 |