When I came to, I found myself in an unfamiliar room. I was taking advantage of my summer break to go on a ten day vacation with my best friend. We were enjoying the sights of Okinawa on the bus from the airport when— And that's the last thing I remember. Is this the hotel? Did I fall asleep on the bus...? The door wouldn't open and what we thought were windows were actually just screens displaying images of the outside. When we searched the room for some clue as to where we were, we found yet another screen displaying a single, mercilessly cold sentence: "You have been selected to participate in a behavioral analysis experiment." We have to choose and complete a task presented on the screen as instructed if we ever want to see the light of day again. If we play our cards right, we can get out in ten days—ten choices. Our options are extremely limited— Either my best friend has to physically harm me, or I have to debase my best friend sexually. At the mercy of these inhumanly cruel choices, the two of us decide to— [From MangaGamer]
Room No.9 has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
A novel needs atleast 20 owners before it's similarity is calculated.
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Leg Hair Hair | 2 | 3.13 | 3.43 |
| Armpit Hair Hair | 2 | 2.78 | 3.05 |
| Frot Engages in (Sexual) | 2 | 2.71 | 2.97 |
| Male on Male Sex Only Engages in (Sexual) | 2 | 2.45 | 2.69 |
| Fainting Subject of | 2 | 2.22 | 2.44 |
| Cock and Ball Torture Devices Subject of (Sexual) | 1 | 3.46 | 2.40 |
| Pubic Stubble Hair | 1 | 3.36 | 2.33 |
| Self-sacrifice Engages in | 2 | 2.10 | 2.31 |
| Vegetarian Role | 1 | 3.29 | 2.28 |
| Prostate Massage Subject of (Sexual) | 1 | 3.28 | 2.27 |
| Bisexual Role | 2 | 2.06 | 2.26 |
| Kidnapping Subject of | 2 | 1.99 | 2.19 |
| Internal Pissing Subject of (Sexual) | 1 | 3.12 | 2.16 |
| Open Gag Subject of (Sexual) | 1 | 3.06 | 2.12 |
| Mutual Masturbation Engages in (Sexual) | 2 | 1.92 | 2.11 |
| Strangulation Sex Engages in (Sexual) | 1 | 3.04 | 2.10 |
| Latex Gloves Clothes | 1 | 3.00 | 2.08 |
| Rape by Proxy Subject of (Sexual) | 1 | 2.99 | 2.07 |
| Chemise Clothes | 1 | 2.89 | 2.00 |
| Self-harm Engages in | 1 | 2.84 | 1.97 |
| Confinement Subject of | 2 | 1.76 | 1.94 |
| Anal Masturbation Engages in (Sexual) | 1 | 2.72 | 1.88 |
| Butt Plug Subject of (Sexual) | 1 | 2.68 | 1.86 |
| Leather Bondage Subject of (Sexual) | 1 | 2.68 | 1.86 |
| Strangulation Sex Subject of (Sexual) | 1 | 2.63 | 1.83 |
| Drinking Engages in | 2 | 1.66 | 1.82 |
| Breakup Subject of | 1 | 2.60 | 1.80 |
| Penile Masturbation Engages in (Sexual) | 1 | 2.59 | 1.80 |
| University Student Role | 2 | 1.63 | 1.79 |
| Ex-boyfriend Role | 1 | 2.58 | 1.79 |
| Pubic Hair Shaving Subject of (Sexual) | 1 | 2.57 | 1.78 |
| Ore Personality | 2 | 1.59 | 1.75 |
| French Kiss Engages in (Sexual) | 2 | 1.56 | 1.71 |
| Spreader Bar Subject of (Sexual) | 1 | 2.45 | 1.69 |
| Blowjob Subject of (Sexual) | 2 | 1.54 | 1.69 |
| Working Out Engages in | 1 | 2.39 | 1.66 |
| Deepthroat Subject of (Sexual) | 1 | 2.39 | 1.65 |
| Ball-cupping Engages in (Sexual) | 1 | 2.36 | 1.64 |
| Magic Wand Subject of (Sexual) | 1 | 2.36 | 1.63 |
| Infidelity Subject of | 1 | 2.36 | 1.63 |
| Anal Object Insertion Subject of (Sexual) | 1 | 2.33 | 1.62 |
| Clamps (BDSM) Subject of (Sexual) | 1 | 2.30 | 1.59 |
| Bondage Sex Engages in (Sexual) | 1 | 2.26 | 1.57 |
| Spoons Engages in (Sexual) | 1 | 2.24 | 1.55 |
| Short Bangs Hair | 1 | 2.23 | 1.55 |
| Blowjob Duck Face Engages in (Sexual) | 1 | 2.22 | 1.54 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.53 |
| Seventh Posture Engages in (Sexual) | 1 | 2.19 | 1.52 |
| Sanpaku Eyes Eyes | 1 | 2.19 | 1.52 |
| Footjob Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Pissing Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Scat Engages in (Sexual) | 1 | 2.18 | 1.51 |
| Tominagi Engages in (Sexual) | 1 | 2.15 | 1.49 |
| Handcuffed Sex Subject of (Sexual) | 1 | 2.15 | 1.49 |
| Pubic Hair Hair | 2 | 1.35 | 1.48 |
| Mouth Gag Subject of (Sexual) | 1 | 2.14 | 1.48 |
| Smoking Engages in | 1 | 2.07 | 1.43 |
| Anal Fingering Engages in (Sexual) | 1 | 2.07 | 1.43 |
| Nipple Teasing Engages in (Sexual) | 1 | 2.05 | 1.42 |
| Dress Shoes Clothes | 1 | 2.01 | 1.39 |
| Enema Subject of (Sexual) | 1 | 1.99 | 1.38 |
| Injury Subject of | 1 | 1.99 | 1.38 |
| Friend Role | 2 | 1.23 | 1.36 |
| Low Self-esteem Personality | 1 | 1.92 | 1.33 |
| Quickie Fix Engages in (Sexual) | 1 | 1.90 | 1.32 |
| Standing Sex Engages in (Sexual) | 1 | 1.89 | 1.31 |
| Honest Personality | 1 | 1.85 | 1.29 |
| Son Role | 1 | 1.85 | 1.28 |
| Sexual Blindfold Subject of (Sexual) | 1 | 1.84 | 1.27 |
| Deepthroat Engages in (Sexual) | 1 | 1.82 | 1.26 |
| Pink Rotor Subject of (Sexual) | 1 | 1.82 | 1.26 |
| Anal Sex Engages in (Sexual) | 1 | 1.78 | 1.23 |
| Sports Shoes Clothes | 1 | 1.77 | 1.23 |
| Handjob Subject of (Sexual) | 1 | 1.77 | 1.22 |
| Missionary Engages in (Sexual) | 1 | 1.75 | 1.22 |
| Cowgirl Engages in (Sexual) | 1 | 1.73 | 1.20 |
| Nipple Sucking Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Orphan Role | 1 | 1.71 | 1.19 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.18 |
| Footjob Engages in (Sexual) | 1 | 1.70 | 1.18 |
| Spiky Hair | 1 | 1.68 | 1.17 |
| Shorts Clothes | 1 | 1.67 | 1.16 |
| Kind Personality | 2 | 1.05 | 1.16 |
| Carefree Personality | 1 | 1.66 | 1.15 |
| Spoons Subject of (Sexual) | 1 | 1.66 | 1.15 |
| Relaxed Personality | 1 | 1.66 | 1.15 |
| Popular Role | 1 | 1.64 | 1.14 |
| Grey Eyes | 1 | 1.63 | 1.13 |
| Jeans Clothes | 1 | 1.61 | 1.12 |
| Nipple Teasing Subject of (Sexual) | 1 | 1.60 | 1.11 |
| Pendant Necklace Clothes | 1 | 1.55 | 1.07 |
| Straight Hair | 2 | 0.96 | 1.05 |
| Smart Personality | 1 | 1.49 | 1.03 |
| Not a Virgin Role | 1 | 1.48 | 1.03 |
| Pissing Engages in (Sexual) | 1 | 1.45 | 1.01 |
| Tank Top Clothes | 1 | 1.45 | 1.00 |
| Seventh Posture Subject of (Sexual) | 1 | 1.44 | 1.00 |
| Jacket Clothes | 1 | 1.43 | 0.99 |
| V Bangs Hair | 1 | 1.42 | 0.99 |
| Grey Hair | 1 | 1.39 | 0.96 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Hosome Eyes | 1 | 1.36 | 0.94 |
| Tominagi Subject of (Sexual) | 1 | 1.35 | 0.94 |
| Ahegao Engages in (Sexual) | 1 | 1.34 | 0.93 |
| T-shirt Clothes | 1 | 1.33 | 0.92 |
| Sex in Public Places Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Friendly Personality | 1 | 1.24 | 0.86 |
| Young-adult Body | 2 | 0.78 | 0.86 |
| Trousers Clothes | 1 | 1.23 | 0.85 |
| Blowjob Engages in (Sexual) | 2 | 0.76 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.18 | 0.82 |
| Standing Sex Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Missionary Subject of (Sexual) | 1 | 1.11 | 0.77 |
| Parted to Side Hair | 1 | 1.09 | 0.75 |
| Glasses Clothes | 1 | 1.09 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.07 | 0.74 |
| Spiky Bangs Hair | 1 | 1.03 | 0.71 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Brown Eyes | 1 | 0.90 | 0.63 |
| Slim Body | 2 | 0.56 | 0.62 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Short Hair | 1 | 0.61 | 0.42 |
| Pale Body | 2 | 0.37 | 0.41 |