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 | 3.00 | 3.29 |
| Armpit Hair Hair | 2 | 2.73 | 3.00 |
| Frot Engages in (Sexual) | 2 | 2.71 | 2.97 |
| Male on Male Sex Only Engages in (Sexual) | 2 | 2.44 | 2.68 |
| Cock and Ball Torture Devices Subject of (Sexual) | 1 | 3.45 | 2.39 |
| Fainting Subject of | 2 | 2.14 | 2.35 |
| Self-sacrifice Engages in | 2 | 2.09 | 2.30 |
| Vegetarian Role | 1 | 3.26 | 2.26 |
| Prostate Massage Subject of (Sexual) | 1 | 3.22 | 2.23 |
| Pubic Stubble Hair | 1 | 3.18 | 2.20 |
| Kidnapping Subject of | 2 | 1.96 | 2.16 |
| Bisexual Role | 2 | 1.94 | 2.13 |
| Mutual Masturbation Engages in (Sexual) | 2 | 1.94 | 2.13 |
| Open Gag Subject of (Sexual) | 1 | 3.07 | 2.13 |
| Low Self-esteem Personality | 2 | 1.90 | 2.08 |
| Latex Gloves Clothes | 1 | 3.00 | 2.08 |
| Rape by Proxy Subject of (Sexual) | 1 | 3.00 | 2.08 |
| Internal Pissing Subject of (Sexual) | 1 | 2.99 | 2.07 |
| Strangulation Sex Engages in (Sexual) | 1 | 2.94 | 2.04 |
| Chemise Clothes | 1 | 2.90 | 2.01 |
| Self-harm Engages in | 1 | 2.79 | 1.93 |
| Confinement Subject of | 2 | 1.76 | 1.93 |
| Anal Masturbation Engages in (Sexual) | 1 | 2.68 | 1.86 |
| Leather Bondage Subject of (Sexual) | 1 | 2.68 | 1.86 |
| Butt Plug Subject of (Sexual) | 1 | 2.63 | 1.82 |
| Pubic Hair Shaving Subject of (Sexual) | 1 | 2.61 | 1.81 |
| Strangulation Sex Subject of (Sexual) | 1 | 2.58 | 1.79 |
| Breakup Subject of | 1 | 2.58 | 1.78 |
| Drinking Engages in | 2 | 1.61 | 1.77 |
| Ex-boyfriend Role | 1 | 2.55 | 1.76 |
| University Student Role | 2 | 1.59 | 1.75 |
| Ore Personality | 2 | 1.58 | 1.73 |
| Spreader Bar Subject of (Sexual) | 1 | 2.47 | 1.71 |
| Penile Masturbation Engages in (Sexual) | 1 | 2.45 | 1.70 |
| Blowjob Subject of (Sexual) | 2 | 1.52 | 1.67 |
| Magic Wand Subject of (Sexual) | 1 | 2.37 | 1.65 |
| Deepthroat Subject of (Sexual) | 1 | 2.35 | 1.63 |
| French Kiss Engages in (Sexual) | 2 | 1.48 | 1.62 |
| Ball-cupping Engages in (Sexual) | 1 | 2.33 | 1.62 |
| Clamps (BDSM) Subject of (Sexual) | 1 | 2.32 | 1.61 |
| Infidelity Subject of | 1 | 2.28 | 1.58 |
| Bondage Sex Engages in (Sexual) | 1 | 2.28 | 1.58 |
| Working Out Engages in | 1 | 2.28 | 1.58 |
| Short Bangs Hair | 1 | 2.25 | 1.56 |
| Blowjob Duck Face Engages in (Sexual) | 1 | 2.24 | 1.55 |
| Spoons Engages in (Sexual) | 1 | 2.21 | 1.53 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.52 |
| Scat Engages in (Sexual) | 1 | 2.19 | 1.52 |
| Seventh Posture Engages in (Sexual) | 1 | 2.19 | 1.52 |
| Pissing Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Anal Object Insertion Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Footjob Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Sanpaku Eyes Eyes | 1 | 2.17 | 1.51 |
| Bookworm Personality | 1 | 2.16 | 1.50 |
| Handcuffed Sex Subject of (Sexual) | 1 | 2.16 | 1.49 |
| Mouth Gag Subject of (Sexual) | 1 | 2.14 | 1.48 |
| Pubic Hair Hair | 2 | 1.34 | 1.47 |
| Tominagi Engages in (Sexual) | 1 | 2.11 | 1.46 |
| Anal Fingering Engages in (Sexual) | 1 | 2.05 | 1.42 |
| Reading Engages in | 1 | 2.04 | 1.41 |
| Smoking Engages in | 1 | 2.04 | 1.41 |
| Enema Subject of (Sexual) | 1 | 2.02 | 1.40 |
| Dress Shoes Clothes | 1 | 2.02 | 1.40 |
| Nipple Teasing Engages in (Sexual) | 1 | 2.01 | 1.40 |
| Injury Subject of | 1 | 1.99 | 1.38 |
| Friend Role | 2 | 1.20 | 1.32 |
| Quickie Fix Engages in (Sexual) | 1 | 1.88 | 1.30 |
| Standing Sex Engages in (Sexual) | 1 | 1.87 | 1.29 |
| Sexual Blindfold Subject of (Sexual) | 1 | 1.86 | 1.29 |
| Pink Rotor Subject of (Sexual) | 1 | 1.84 | 1.27 |
| Honest Personality | 1 | 1.84 | 1.27 |
| Son Role | 1 | 1.82 | 1.26 |
| Deepthroat Engages in (Sexual) | 1 | 1.80 | 1.25 |
| Anal Sex Engages in (Sexual) | 1 | 1.76 | 1.22 |
| Handjob Subject of (Sexual) | 1 | 1.75 | 1.22 |
| Missionary Engages in (Sexual) | 1 | 1.74 | 1.21 |
| Footjob Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Sports Shoes Clothes | 1 | 1.72 | 1.19 |
| Cowgirl Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Reserved Personality | 1 | 1.71 | 1.19 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Orphan Role | 1 | 1.71 | 1.18 |
| Nipple Sucking Engages in (Sexual) | 1 | 1.70 | 1.18 |
| Spiky Hair | 1 | 1.69 | 1.17 |
| Carefree Personality | 1 | 1.68 | 1.17 |
| Shorts Clothes | 1 | 1.68 | 1.16 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Popular Role | 1 | 1.64 | 1.13 |
| Kind Personality | 2 | 1.03 | 1.13 |
| Grey Eyes | 1 | 1.60 | 1.11 |
| Nipple Teasing Subject of (Sexual) | 1 | 1.57 | 1.09 |
| Jeans Clothes | 1 | 1.55 | 1.08 |
| Pendant Necklace Clothes | 1 | 1.52 | 1.05 |
| Straight Hair | 2 | 0.94 | 1.04 |
| Pissing Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Seventh Posture Subject of (Sexual) | 1 | 1.46 | 1.01 |
| Smart Personality | 1 | 1.46 | 1.01 |
| Jacket Clothes | 1 | 1.42 | 0.98 |
| Not a Virgin Role | 1 | 1.41 | 0.98 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Tank Top Clothes | 1 | 1.41 | 0.98 |
| Grey Hair | 1 | 1.38 | 0.96 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Hosome Eyes | 1 | 1.37 | 0.95 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Ahegao Engages in (Sexual) | 1 | 1.32 | 0.92 |
| T-shirt Clothes | 1 | 1.31 | 0.91 |
| Sex in Public Places Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Friendly Personality | 1 | 1.22 | 0.84 |
| Blowjob Engages in (Sexual) | 2 | 0.76 | 0.84 |
| Young-adult Body | 2 | 0.76 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Trousers Clothes | 1 | 1.19 | 0.82 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.81 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Missionary Subject of (Sexual) | 1 | 1.12 | 0.77 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Parted to Side Hair | 1 | 1.05 | 0.73 |
| Spiky Bangs Hair | 1 | 1.00 | 0.69 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Slim Body | 2 | 0.58 | 0.63 |
| Brown Eyes | 1 | 0.90 | 0.62 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Short Hair | 1 | 0.61 | 0.42 |
| Pale Body | 2 | 0.37 | 0.40 |