Naoto Matsumoto is a young man who suffers from a peculiar memory loss: he does not remember his life before he was fourteen. Apparently both his parents died, and he was taken in by another family. On one rainy day, during a trip through the countryside, Naoto's car reaches a dead end on the road, and he and his stepsister are invited by a maid to spend the night in a large secluded mansion. Naoto witnesses increasingly strange and violent events and begins to recollect his lost memories. [From Mobygames]
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| Name | Score | Importance | Weight |
|---|---|---|---|
| Censored Text | 2.50 | 1.93 | 4.81 |
| Western-style Manor | 2.50 | 1.80 | 4.50 |
| Utsuge | 2.00 | 1.90 | 3.79 |
| Ending List | 2.00 | 1.80 | 3.60 |
| Completely Avoidable Rape | 1.50 | 2.35 | 3.52 |
| Bad Endings with Story | 2.50 | 1.40 | 3.50 |
| High Amount of Bad Endings | 2.00 | 1.73 | 3.46 |
| Amnesia | 2.00 | 1.72 | 3.44 |
| Donkan Protagonist | 2.00 | 1.69 | 3.37 |
| More Than Seven Endings | 2.50 | 1.33 | 3.31 |
| Maid Heroine | 2.00 | 1.53 | 3.06 |
| Perverted Heroine | 2.00 | 1.39 | 2.79 |
| Betrayal | 1.50 | 1.82 | 2.73 |
| Sex Involving Drugs | 1.50 | 1.82 | 2.73 |
| Object Insertion | 1.50 | 1.69 | 2.54 |
| BDSM | 1.50 | 1.65 | 2.48 |
| Heroine with Sexual Experience | 2.00 | 1.21 | 2.42 |
| Bloody Scenes | 1.00 | 1.55 | 1.55 |
| Defloration | 2.00 | 0.76 | 1.52 |
| Horror | 1.00 | 1.43 | 1.43 |
| Attempted Suicide | 0.50 | 2.24 | 1.12 |
| Gore | 0.50 | 1.91 | 0.96 |
| Male Protagonist | 2.00 | 0.30 | 0.60 |
| ADV | 2.00 | 0.14 | 0.29 |
| Sexual Content | 0.33 | 0.63 | 0.21 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Nipple Teasing Subject of (Sexual) | 7 | 1.57 | 3.26 |
| Metal Bondage Subject of (Sexual) | 2 | 2.69 | 2.95 |
| French Kiss Engages in (Sexual) | 6 | 1.48 | 2.88 |
| Jealous Personality | 3 | 1.87 | 2.59 |
| Sensitive Personality | 2 | 2.33 | 2.56 |
| Nipple Sucking Subject of (Sexual) | 5 | 1.38 | 2.47 |
| Female Ejaculation Engages in (Sexual) | 5 | 1.36 | 2.44 |
| Animal Abuse Engages in | 1 | 3.45 | 2.39 |
| Non-blood-related Incest Engages in (Sexual) | 2 | 2.15 | 2.37 |
| Illness Subject of | 2 | 2.14 | 2.35 |
| Not a Virgin Role | 4 | 1.41 | 2.28 |
| Wet and Messy Engages in (Sexual) | 1 | 3.24 | 2.24 |
| Lesbian Sex Engages in (Sexual) | 4 | 1.38 | 2.22 |
| Vaginal Object Insertion Subject of (Sexual) | 2 | 2.00 | 2.20 |
| Tominagi Subject of (Sexual) | 4 | 1.36 | 2.18 |
| Vaginal Fingering Subject of (Sexual) | 6 | 1.08 | 2.10 |
| Timid Personality | 2 | 1.86 | 2.05 |
| Twin Sister Role | 2 | 1.86 | 2.04 |
| Pet Collar Clothes | 1 | 2.72 | 1.89 |
| Seduction Subject of | 1 | 2.66 | 1.84 |
| Rope Bondage Subject of (Sexual) | 2 | 1.67 | 1.84 |
| Head of Household Role | 1 | 2.63 | 1.82 |
| Pubic Hair Shaving Subject of (Sexual) | 1 | 2.60 | 1.80 |
| Sadist Role | 1 | 2.57 | 1.78 |
| Vaginal Fingering Engages in (Sexual) | 2 | 1.62 | 1.77 |
| Rope Bondage Engages in (Sexual) | 1 | 2.54 | 1.76 |
| Wooden Horse Subject of (Sexual) | 1 | 2.51 | 1.74 |
| Bondage Sex Subject of (Sexual) | 2 | 1.58 | 1.73 |
| Clinical Depression Subject of | 1 | 2.49 | 1.73 |
| Non-blood-related Son Role | 1 | 2.49 | 1.72 |
| Older Sister Role | 2 | 1.56 | 1.71 |
| Donkan Personality | 1 | 2.45 | 1.70 |
| Weakness Subject of | 1 | 2.39 | 1.66 |
| Non-blood-related Brother Role | 1 | 2.38 | 1.65 |
| Writer Role | 1 | 2.37 | 1.64 |
| Haraguro Personality | 1 | 2.37 | 1.64 |
| Cunnilingus Subject of (Sexual) | 3 | 1.16 | 1.61 |
| Seventh Posture Subject of (Sexual) | 2 | 1.46 | 1.61 |
| Sexual Fantasy Engages in (Sexual) | 1 | 2.31 | 1.60 |
| Younger Sister Role | 2 | 1.44 | 1.59 |
| Bullying Engages in | 1 | 2.25 | 1.56 |
| Cooking Engages in | 2 | 1.42 | 1.56 |
| Food Play Engages in (Sexual) | 1 | 2.23 | 1.55 |
| Seventh Posture Engages in (Sexual) | 1 | 2.19 | 1.52 |
| Non-blood-related Sister Role | 1 | 2.17 | 1.50 |
| Torn Clothing Clothes | 1 | 2.16 | 1.50 |
| Mouth Gag Subject of (Sexual) | 1 | 2.14 | 1.48 |
| Tominagi Engages in (Sexual) | 1 | 2.11 | 1.46 |
| Manipulative Personality | 1 | 2.07 | 1.44 |
| Bullying Subject of | 1 | 2.06 | 1.43 |
| Enema Subject of (Sexual) | 1 | 2.02 | 1.40 |
| Nipple Teasing Engages in (Sexual) | 1 | 2.01 | 1.39 |
| Emotional Personality | 1 | 2.01 | 1.39 |
| Secretive Personality | 1 | 2.00 | 1.39 |
| Sixty-nine Engages in (Sexual) | 2 | 1.26 | 1.38 |
| Blowjob Engages in (Sexual) | 5 | 0.76 | 1.36 |
| Selfish Personality | 1 | 1.96 | 1.36 |
| Ojousama Role | 1 | 1.95 | 1.35 |
| Scar Body | 1 | 1.95 | 1.35 |
| Amnesia Subject of | 1 | 1.95 | 1.35 |
| Piledriver Subject of (Sexual) | 1 | 1.94 | 1.35 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 2 | 1.17 | 1.29 |
| Maid Role | 1 | 1.84 | 1.27 |
| Deepthroat Engages in (Sexual) | 1 | 1.80 | 1.25 |
| Missionary Subject of (Sexual) | 2 | 1.12 | 1.23 |
| Missionary Engages in (Sexual) | 1 | 1.74 | 1.21 |
| Cowgirl Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Orphan Role | 1 | 1.70 | 1.18 |
| Virgin Sex Engages in (Sexual) | 3 | 0.85 | 1.18 |
| Nipple Sucking Engages in (Sexual) | 1 | 1.70 | 1.18 |
| Arrogant Personality | 1 | 1.70 | 1.18 |
| Vaginal Masturbation Engages in (Sexual) | 1 | 1.68 | 1.16 |
| Stubborn Personality | 1 | 1.67 | 1.16 |
| Pervert Personality | 1 | 1.63 | 1.13 |
| Full Sister Role | 1 | 1.56 | 1.08 |
| Cunnilingus Engages in (Sexual) | 1 | 1.55 | 1.08 |
| Maid's Dress Clothes | 1 | 1.51 | 1.05 |
| Sex in Front of an Audience Engages in (Sexual) | 1 | 1.50 | 1.04 |
| Masturbation Engages in (Sexual) | 1 | 1.39 | 0.97 |
| Grey Hair | 1 | 1.38 | 0.96 |
| Bukkake Subject of (Sexual) | 1 | 1.35 | 0.93 |
| Friendly Personality | 1 | 1.22 | 0.84 |
| Long Hair | 2 | 0.75 | 0.82 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.81 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Kind Personality | 1 | 1.03 | 0.71 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Doggy Style Subject of (Sexual) | 1 | 0.92 | 0.64 |
| Black Hair | 1 | 0.80 | 0.56 |
| Short Hair | 1 | 0.61 | 0.42 |