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 | 2.37 | 7.10 |
| Protagonist's Aunt as a Heroine | 3.00 | 2.24 | 6.71 |
| Divorcee Heroine | 2.00 | 2.55 | 5.10 |
| Blood-related Mother/Daughter Incest | 2.00 | 2.18 | 4.37 |
| Literary Adaptation | 2.00 | 2.09 | 4.17 |
| Cousin Incest | 2.00 | 2.00 | 3.99 |
| Oyakodon Ending | 2.00 | 1.98 | 3.96 |
| Heroine with Children | 2.00 | 1.96 | 3.91 |
| Protagonist's Cousin as a Heroine | 2.00 | 1.88 | 3.76 |
| Nympho Heroine | 2.00 | 1.83 | 3.67 |
| Early Branching Plot | 2.00 | 1.73 | 3.45 |
| Female Domination | 2.00 | 1.43 | 2.86 |
| Heroine with Sexual Experience | 2.00 | 1.23 | 2.45 |
| Adult Heroine | 2.00 | 1.13 | 2.27 |
| Sex with Protagonist Only | 2.00 | 1.12 | 2.24 |
| High Sexual Content | 2.00 | 1.03 | 2.07 |
| Cunnilingus | 2.00 | 0.92 | 1.85 |
| Group Sex of One Male and Several Females | 2.00 | 0.90 | 1.80 |
| Sex in a Vehicle | 1.00 | 1.78 | 1.78 |
| Naked Sprites | 1.00 | 1.05 | 1.05 |
| Defloration | 1.00 | 0.75 | 0.75 |
| 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 | 1.85 | 2.03 |
| Bathrobe Clothes | 1 | 2.82 | 1.95 |
| Pubic Hair Hair | 3 | 1.34 | 1.86 |
| Vaginal Fisting Subject of (Sexual) | 1 | 2.46 | 1.70 |
| Baby-doll Clothes | 1 | 2.43 | 1.68 |
| Aunt Role | 1 | 2.39 | 1.66 |
| Blouse Clothes | 2 | 1.48 | 1.62 |
| Divorcee Role | 1 | 2.33 | 1.62 |
| Pissing Engages in (Sexual) | 2 | 1.46 | 1.60 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.44 | 1.58 |
| Nipple Sucking Subject of (Sexual) | 2 | 1.39 | 1.53 |
| Seduction Engages in | 1 | 2.20 | 1.52 |
| Driving Engages in | 1 | 2.18 | 1.51 |
| Tominagi Subject of (Sexual) | 2 | 1.36 | 1.49 |
| Boobs on Glass Subject of (Sexual) | 1 | 2.14 | 1.49 |
| Sitting Sex Subject of (Sexual) | 3 | 1.05 | 1.46 |
| Sex in a Vehicle Engages in (Sexual) | 1 | 2.05 | 1.42 |
| Facesitting Engages in (Sexual) | 1 | 2.00 | 1.38 |
| Neighbor Role | 1 | 1.99 | 1.38 |
| Cardigan Clothes | 1 | 1.88 | 1.31 |
| Cousin Role | 1 | 1.88 | 1.30 |
| Cunnilingus Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Handjob Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Flirting Engages in | 1 | 1.81 | 1.25 |
| Footjob Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Vaginal Fingering Subject of (Sexual) | 2 | 1.08 | 1.18 |
| Quickie Fix Subject of (Sexual) | 2 | 1.08 | 1.18 |
| Rope Bondage Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Vaginal/Anal Sexual Toys Subject of (Sexual) | 1 | 1.65 | 1.14 |
| Relaxed Personality | 1 | 1.64 | 1.14 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.64 | 1.14 |
| Mini-dress Clothes | 1 | 1.63 | 1.13 |
| University Student Role | 1 | 1.62 | 1.12 |
| Garter Belt Stockings Clothes | 1 | 1.61 | 1.11 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.05 |
| Green Hair | 1 | 1.47 | 1.02 |
| Daughter Role | 1 | 1.47 | 1.02 |
| Mother Role | 1 | 1.47 | 1.02 |
| Doggy Style Subject of (Sexual) | 2 | 0.92 | 1.01 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Jacket Clothes | 1 | 1.42 | 0.98 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.97 |
| Female Ejaculation Engages in (Sexual) | 1 | 1.38 | 0.96 |
| Masturbation Engages in (Sexual) | 1 | 1.37 | 0.95 |
| Adult Body | 1 | 1.36 | 0.94 |
| Wavy Hair | 1 | 1.36 | 0.94 |
| Skirt Clothes | 1 | 1.33 | 0.92 |
| Sixty-nine Engages in (Sexual) | 1 | 1.25 | 0.87 |
| Dress Clothes | 1 | 1.24 | 0.86 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Missionary Subject of (Sexual) | 1 | 1.11 | 0.77 |
| Brown Hair | 2 | 0.68 | 0.75 |
| Parted to Side Hair | 1 | 1.07 | 0.74 |
| Miniskirt Clothes | 1 | 1.07 | 0.74 |
| Boobjob Engages in (Sexual) | 1 | 1.06 | 0.74 |
| Kind Personality | 1 | 1.04 | 0.72 |
| Violet Eyes | 1 | 1.04 | 0.72 |
| Thigh-high Stockings Clothes | 1 | 1.03 | 0.72 |
| Straight Hair | 1 | 0.96 | 0.66 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Shoulder-length Hair | 1 | 0.91 | 0.63 |
| Virgin Sex Engages in (Sexual) | 1 | 0.84 | 0.58 |
| Waist Length+ Hair | 1 | 0.80 | 0.55 |
| Long Hair | 1 | 0.75 | 0.52 |