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 | 3.05 | 3.35 |
| Armpit Hair Hair | 2 | 2.76 | 3.03 |
| Frot Engages in (Sexual) | 2 | 2.71 | 2.98 |
| Male on Male Sex Only Engages in (Sexual) | 2 | 2.44 | 2.68 |
| Cock and Ball Torture Devices Subject of (Sexual) | 1 | 3.46 | 2.40 |
| Fainting Subject of | 2 | 2.17 | 2.39 |
| Self-sacrifice Engages in | 2 | 2.10 | 2.30 |
| Vegetarian Role | 1 | 3.28 | 2.28 |
| Pubic Stubble Hair | 1 | 3.28 | 2.28 |
| Prostate Massage Subject of (Sexual) | 1 | 3.26 | 2.26 |
| Bisexual Role | 2 | 1.99 | 2.19 |
| Kidnapping Subject of | 2 | 1.97 | 2.16 |
| Internal Pissing Subject of (Sexual) | 1 | 3.08 | 2.14 |
| Mutual Masturbation Engages in (Sexual) | 2 | 1.93 | 2.12 |
| Open Gag Subject of (Sexual) | 1 | 3.06 | 2.12 |
| Low Self-esteem Personality | 2 | 1.91 | 2.10 |
| Rape by Proxy Subject of (Sexual) | 1 | 3.01 | 2.09 |
| Latex Gloves Clothes | 1 | 3.01 | 2.09 |
| Strangulation Sex Engages in (Sexual) | 1 | 3.01 | 2.08 |
| Chemise Clothes | 1 | 2.89 | 2.01 |
| Self-harm Engages in | 1 | 2.81 | 1.95 |
| Confinement Subject of | 2 | 1.76 | 1.93 |
| Anal Masturbation Engages in (Sexual) | 1 | 2.72 | 1.88 |
| Leather Bondage Subject of (Sexual) | 1 | 2.70 | 1.87 |
| Butt Plug Subject of (Sexual) | 1 | 2.66 | 1.84 |
| Strangulation Sex Subject of (Sexual) | 1 | 2.62 | 1.82 |
| Breakup Subject of | 1 | 2.60 | 1.80 |
| Drinking Engages in | 2 | 1.64 | 1.80 |
| Pubic Hair Shaving Subject of (Sexual) | 1 | 2.58 | 1.79 |
| Ex-boyfriend Role | 1 | 2.57 | 1.78 |
| University Student Role | 2 | 1.62 | 1.78 |
| Penile Masturbation Engages in (Sexual) | 1 | 2.55 | 1.77 |
| Ore Personality | 2 | 1.59 | 1.75 |
| Spreader Bar Subject of (Sexual) | 1 | 2.46 | 1.70 |
| Blowjob Subject of (Sexual) | 2 | 1.53 | 1.68 |
| French Kiss Engages in (Sexual) | 2 | 1.52 | 1.67 |
| Magic Wand Subject of (Sexual) | 1 | 2.37 | 1.64 |
| Deepthroat Subject of (Sexual) | 1 | 2.36 | 1.64 |
| Ball-cupping Engages in (Sexual) | 1 | 2.36 | 1.63 |
| Working Out Engages in | 1 | 2.34 | 1.62 |
| Infidelity Subject of | 1 | 2.33 | 1.62 |
| Clamps (BDSM) Subject of (Sexual) | 1 | 2.31 | 1.60 |
| Anal Object Insertion Subject of (Sexual) | 1 | 2.29 | 1.58 |
| Bondage Sex Engages in (Sexual) | 1 | 2.26 | 1.57 |
| Short Bangs Hair | 1 | 2.24 | 1.55 |
| Spoons Engages in (Sexual) | 1 | 2.23 | 1.55 |
| Blowjob Duck Face Engages in (Sexual) | 1 | 2.23 | 1.54 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.39 | 1.53 |
| Seventh Posture Engages in (Sexual) | 1 | 2.20 | 1.52 |
| Scat Engages in (Sexual) | 1 | 2.19 | 1.52 |
| Pissing Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Footjob Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Bookworm Personality | 1 | 2.18 | 1.51 |
| Sanpaku Eyes Eyes | 1 | 2.17 | 1.51 |
| Handcuffed Sex Subject of (Sexual) | 1 | 2.16 | 1.49 |
| Mouth Gag Subject of (Sexual) | 1 | 2.14 | 1.48 |
| Tominagi Engages in (Sexual) | 1 | 2.14 | 1.48 |
| Pubic Hair Hair | 2 | 1.34 | 1.47 |
| Anal Fingering Engages in (Sexual) | 1 | 2.06 | 1.43 |
| Reading Engages in | 1 | 2.05 | 1.42 |
| Smoking Engages in | 1 | 2.05 | 1.42 |
| Nipple Teasing Engages in (Sexual) | 1 | 2.04 | 1.41 |
| Dress Shoes Clothes | 1 | 2.02 | 1.40 |
| Enema Subject of (Sexual) | 1 | 2.00 | 1.39 |
| Injury Subject of | 1 | 1.99 | 1.38 |
| Friend Role | 2 | 1.21 | 1.33 |
| Quickie Fix Engages in (Sexual) | 1 | 1.89 | 1.31 |
| Standing Sex Engages in (Sexual) | 1 | 1.88 | 1.31 |
| Sexual Blindfold Subject of (Sexual) | 1 | 1.85 | 1.28 |
| Honest Personality | 1 | 1.84 | 1.28 |
| Pink Rotor Subject of (Sexual) | 1 | 1.83 | 1.27 |
| Son Role | 1 | 1.83 | 1.27 |
| Deepthroat Engages in (Sexual) | 1 | 1.81 | 1.26 |
| Anal Sex Engages in (Sexual) | 1 | 1.77 | 1.23 |
| Handjob Subject of (Sexual) | 1 | 1.76 | 1.22 |
| Missionary Engages in (Sexual) | 1 | 1.75 | 1.21 |
| Sports Shoes Clothes | 1 | 1.73 | 1.20 |
| Reserved Personality | 1 | 1.73 | 1.20 |
| Cowgirl Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Nipple Sucking Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Footjob Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Orphan Role | 1 | 1.71 | 1.18 |
| Spiky Hair | 1 | 1.69 | 1.17 |
| Shorts Clothes | 1 | 1.67 | 1.16 |
| Carefree Personality | 1 | 1.67 | 1.16 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Kind Personality | 2 | 1.04 | 1.14 |
| Relaxed Personality | 1 | 1.64 | 1.14 |
| Popular Role | 1 | 1.64 | 1.13 |
| Grey Eyes | 1 | 1.61 | 1.11 |
| Nipple Teasing Subject of (Sexual) | 1 | 1.59 | 1.10 |
| Jeans Clothes | 1 | 1.58 | 1.09 |
| Pendant Necklace Clothes | 1 | 1.53 | 1.06 |
| Straight Hair | 2 | 0.96 | 1.05 |
| Smart Personality | 1 | 1.47 | 1.02 |
| Pissing Engages in (Sexual) | 1 | 1.46 | 1.01 |
| Seventh Posture Subject of (Sexual) | 1 | 1.45 | 1.01 |
| Not a Virgin Role | 1 | 1.45 | 1.00 |
| Tank Top Clothes | 1 | 1.43 | 0.99 |
| Jacket Clothes | 1 | 1.42 | 0.98 |
| V Bangs Hair | 1 | 1.42 | 0.98 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.39 | 0.96 |
| Grey Hair | 1 | 1.39 | 0.96 |
| Hosome Eyes | 1 | 1.36 | 0.94 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Ahegao Engages in (Sexual) | 1 | 1.33 | 0.92 |
| T-shirt Clothes | 1 | 1.32 | 0.91 |
| Sex in Public Places Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Friendly Personality | 1 | 1.23 | 0.85 |
| Young-adult Body | 2 | 0.77 | 0.85 |
| Trousers Clothes | 1 | 1.21 | 0.84 |
| Blowjob Engages in (Sexual) | 2 | 0.76 | 0.84 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.82 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Shirt Clothes | 1 | 1.15 | 0.80 |
| Missionary Subject of (Sexual) | 1 | 1.11 | 0.77 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Parted to Side Hair | 1 | 1.07 | 0.74 |
| Spiky Bangs Hair | 1 | 1.01 | 0.70 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Slim Body | 2 | 0.57 | 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 | 0.41 |