Main character's parents go overseas leaving him in charge of his sister for holidays. He wants to cheer his little sister up, but she urges him to fulfill old promise and treat her as an adult. These two weeks before her birthday get painted with the color of lust. [From vndbreview]
Kyoudai ~Futari~ 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.
Kyoudai ~Futari~ has not yet been read by enough users to calculate it's similar novels... sorry!
A novel needs atleast 20 votes before it's similarity is calculated.
Kyoudai ~Futari~ 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 | Score | Importance | Weight |
|---|---|---|---|
| Group Sex Involving a Mix of Males, Females, and Gender Non-Conf | 2.00 | 3.60 | 7.21 |
| Male on Futanari | 2.50 | 2.48 | 6.21 |
| Futanari Heroine | 3.00 | 1.97 | 5.92 |
| Futanari on Futanari | 2.00 | 2.65 | 5.31 |
| School Nurse Support Character | 2.00 | 2.48 | 4.97 |
| Non-blood-related Brother/Sister Incest | 2.00 | 1.77 | 3.54 |
| Sex in Public Places | 2.00 | 1.09 | 2.19 |
| Sexual Content | 2.00 | 0.64 | 1.28 |
| Male Protagonist | 2.00 | 0.30 | 0.61 |
| ADV | 2.00 | 0.15 | 0.29 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Group Sex Involving a Mix of Males, Females, and Gender Non-Conf Engages in (Sexual) | 3 | 3.86 | 5.35 |
| Sex in Library Engages in (Sexual) | 3 | 2.91 | 4.03 |
| School Literature Club Member Role | 2 | 3.01 | 3.30 |
| Vaginal + Anal Penetration Subject of (Sexual) | 3 | 2.27 | 3.15 |
| Frot Engages in (Sexual) | 2 | 2.71 | 2.97 |
| Group Sex of Several Males and at Least One Gender Non-Conformin Engages in (Sexual) | 1 | 4.27 | 2.96 |
| Agoraphobia Subject of | 1 | 3.97 | 2.75 |
| Spit-roast Engages in (Sexual) | 2 | 2.44 | 2.68 |
| Penile Masturbation Engages in (Sexual) | 2 | 2.43 | 2.66 |
| Masturbation in front of an Audience Engages in (Sexual) | 3 | 1.90 | 2.64 |
| Futanari Body | 2 | 2.35 | 2.59 |
| Missionary Engages in (Sexual) | 3 | 1.74 | 2.41 |
| Double Penetration (Group Sex) Engages in (Sexual) | 2 | 2.19 | 2.41 |
| Non-blood-related Incest Engages in (Sexual) | 2 | 2.15 | 2.36 |
| Anal Object Insertion Subject of (Sexual) | 2 | 2.15 | 2.36 |
| Adaptable Personality | 1 | 3.38 | 2.34 |
| Double-ended Dildo Subject of (Sexual) | 2 | 2.11 | 2.31 |
| Anilingus Subject of (Sexual) | 2 | 2.05 | 2.25 |
| Sex on Toilet Engages in (Sexual) | 2 | 2.03 | 2.23 |
| Rimming Handjob Subject of (Sexual) | 1 | 3.21 | 2.22 |
| Lesbian Sex Engages in (Sexual) | 4 | 1.38 | 2.22 |
| Nude Modeling Engages in | 1 | 3.10 | 2.15 |
| Sex at School Engages in (Sexual) | 3 | 1.54 | 2.14 |
| Mutual Masturbation Engages in (Sexual) | 2 | 1.94 | 2.13 |
| Ahegao Engages in (Sexual) | 4 | 1.32 | 2.12 |
| Blowjob Subject of (Sexual) | 3 | 1.52 | 2.11 |
| School Archery Club Member Role | 1 | 2.92 | 2.02 |
| Sitting Sex Engages in (Sexual) | 2 | 1.82 | 2.00 |
| Erotic Photography Subject of | 1 | 2.84 | 1.97 |
| Masturbation Engages in (Sexual) | 3 | 1.41 | 1.95 |
| Anal Sex Engages in (Sexual) | 2 | 1.76 | 1.93 |
| Spit-roast Subject of (Sexual) | 2 | 1.75 | 1.92 |
| Handjob Subject of (Sexual) | 2 | 1.75 | 1.92 |
| Step Brother Role | 1 | 2.74 | 1.90 |
| Hikikomori Role | 1 | 2.72 | 1.88 |
| Twin Boobjob Subject of (Sexual) | 1 | 2.68 | 1.86 |
| Doggy Style Engages in (Sexual) | 2 | 1.68 | 1.85 |
| Double Penetration (Group Sex) Subject of (Sexual) | 2 | 1.66 | 1.82 |
| Vaginal Masturbation Engages in (Sexual) | 2 | 1.64 | 1.80 |
| Piledriver Engages in (Sexual) | 1 | 2.55 | 1.77 |
| Sixty-nine Engages in (Sexual) | 3 | 1.26 | 1.75 |
| Wooden Horse Subject of (Sexual) | 1 | 2.52 | 1.75 |
| Sex in Public Places Engages in (Sexual) | 3 | 1.26 | 1.74 |
| Non-blood-related Son Role | 1 | 2.48 | 1.72 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.72 |
| School Nurse Role | 1 | 2.47 | 1.71 |
| Sex Friend Role | 1 | 2.44 | 1.69 |
| Step Sister Role | 1 | 2.44 | 1.69 |
| Non-blood-related Brother Role | 1 | 2.38 | 1.65 |
| Sex in Front of an Audience Engages in (Sexual) | 2 | 1.50 | 1.65 |
| Wax Play Subject of (Sexual) | 1 | 2.36 | 1.63 |
| Reverse Missionary Engages in (Sexual) | 1 | 2.35 | 1.63 |
| Butterfly Subject of (Sexual) | 3 | 1.17 | 1.63 |
| Non-blood-related Daughter Role | 1 | 2.34 | 1.62 |
| Peace Sign Ahegao Engages in (Sexual) | 1 | 2.33 | 1.62 |
| Spoiled Personality | 1 | 2.31 | 1.60 |
| Mirror Sex Engages in (Sexual) | 1 | 2.31 | 1.60 |
| Nymphomania Subject of | 1 | 2.31 | 1.60 |
| Handjob Engages in (Sexual) | 3 | 1.15 | 1.60 |
| Rope Bondage Harness Clothes | 1 | 2.30 | 1.59 |
| Anal Plug Tail Subject of (Sexual) | 1 | 2.30 | 1.59 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Class President Role | 1 | 2.29 | 1.59 |
| Bondage Sex Engages in (Sexual) | 1 | 2.29 | 1.58 |
| Obedient Personality | 1 | 2.27 | 1.57 |
| Reverse Cowgirl Engages in (Sexual) | 1 | 2.22 | 1.54 |
| Spoons Engages in (Sexual) | 1 | 2.21 | 1.53 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.38 | 1.52 |
| Non-blood-related Sister Role | 1 | 2.17 | 1.51 |
| Promiscuous Personality | 1 | 2.16 | 1.50 |
| Sundress Clothes | 1 | 2.14 | 1.49 |
| Bukkake Subject of (Sexual) | 2 | 1.35 | 1.49 |
| Shimapan Clothes | 1 | 2.14 | 1.48 |
| Mouth Gag Subject of (Sexual) | 1 | 2.14 | 1.48 |
| Flustered Personality | 1 | 2.12 | 1.47 |
| Voyeurism Engages in (Sexual) | 1 | 2.12 | 1.47 |
| Petplay Subject of (Sexual) | 1 | 2.11 | 1.46 |
| Brother Complex Personality | 1 | 2.06 | 1.43 |
| Waitstaff Uniform Clothes | 1 | 2.05 | 1.42 |
| Anal Fingering Engages in (Sexual) | 1 | 2.05 | 1.42 |
| Kind Personality | 3 | 1.02 | 1.42 |
| Rival Role | 1 | 2.03 | 1.41 |
| Butterfly Engages in (Sexual) | 1 | 2.02 | 1.40 |
| Anal Beads Subject of (Sexual) | 1 | 2.02 | 1.40 |
| High School Student Role | 4 | 0.86 | 1.39 |
| Anilingus Engages in (Sexual) | 1 | 2.00 | 1.39 |
| Blowjob Engages in (Sexual) | 5 | 0.76 | 1.37 |
| Vaginal Object Insertion Subject of (Sexual) | 1 | 1.97 | 1.37 |
| Selfish Personality | 1 | 1.96 | 1.36 |
| Vibrator Subject of (Sexual) | 1 | 1.95 | 1.35 |
| Piledriver Subject of (Sexual) | 1 | 1.94 | 1.34 |
| Voyeurism Subject of (Sexual) | 1 | 1.93 | 1.34 |
| Assertive Personality | 1 | 1.93 | 1.34 |
| Bisexual Role | 1 | 1.92 | 1.33 |
| Cowgirl Subject of (Sexual) | 3 | 0.96 | 1.32 |
| Tanned Body | 1 | 1.90 | 1.32 |
| Double Handjob Engages in (Sexual) | 1 | 1.89 | 1.31 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.31 |
| Quickie Fix Engages in (Sexual) | 1 | 1.88 | 1.30 |
| Jealous Personality | 1 | 1.87 | 1.30 |
| Twin Braids Hair | 1 | 1.87 | 1.30 |
| Standing Sex Engages in (Sexual) | 1 | 1.86 | 1.29 |
| Timid Personality | 1 | 1.86 | 1.29 |
| Boobjob Subject of (Sexual) | 1 | 1.86 | 1.29 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 2 | 1.16 | 1.28 |
| Outdoor Sex Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Homosexual Role | 1 | 1.83 | 1.27 |
| Blunt Personality | 1 | 1.82 | 1.26 |
| Waitstaff Role | 1 | 1.82 | 1.26 |
| Lab Coat Clothes | 1 | 1.80 | 1.24 |
| Hidden Eyes | 1 | 1.79 | 1.24 |
| Missionary Subject of (Sexual) | 2 | 1.12 | 1.23 |
| Necktie Clothes | 2 | 1.12 | 1.23 |
| Teal Eyes | 1 | 1.72 | 1.19 |
| Quickie Fix Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Mischievous Personality | 1 | 1.72 | 1.19 |
| Cowgirl Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Outgoing Personality | 1 | 1.71 | 1.19 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Virgin Sex Engages in (Sexual) | 3 | 0.85 | 1.19 |
| Reserved Personality | 1 | 1.71 | 1.18 |
| Boobjob Engages in (Sexual) | 2 | 1.07 | 1.18 |
| Hoodie Clothes | 1 | 1.69 | 1.17 |
| Nipple Sucking Engages in (Sexual) | 1 | 1.69 | 1.17 |
| Sitting Sex Subject of (Sexual) | 2 | 1.06 | 1.17 |
| Rope Bondage Subject of (Sexual) | 1 | 1.68 | 1.16 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.15 |
| Kouhai Role | 1 | 1.63 | 1.13 |
| Sweater Clothes | 1 | 1.63 | 1.13 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Small Breasts Body | 1 | 1.63 | 1.13 |
| Garter Belt Stockings Clothes | 1 | 1.62 | 1.12 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Lactation Engages in | 1 | 1.59 | 1.10 |
| Bondage Sex Subject of (Sexual) | 1 | 1.59 | 1.10 |
| Mole Body | 1 | 1.55 | 1.08 |
| Cunnilingus Engages in (Sexual) | 1 | 1.55 | 1.07 |
| Jeans Clothes | 1 | 1.54 | 1.07 |
| Sex while Being Pregnant Engages in (Sexual) | 1 | 1.54 | 1.06 |
| School Uniform Clothes | 3 | 0.77 | 1.06 |
| Energetic Personality | 1 | 1.52 | 1.05 |
| Maid's Dress Clothes | 1 | 1.51 | 1.05 |
| Makeup Body | 1 | 1.51 | 1.05 |
| Choker Clothes | 1 | 1.50 | 1.04 |
| Serious Personality | 1 | 1.48 | 1.03 |
| Sailor School Uniform Clothes | 1 | 1.48 | 1.02 |
| Pissing Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Doggy Style Subject of (Sexual) | 2 | 0.92 | 1.02 |
| Blouse Clothes | 1 | 1.46 | 1.01 |
| Headband Clothes | 1 | 1.46 | 1.01 |
| Shoulder-length Hair | 2 | 0.92 | 1.01 |
| Cooking Engages in | 1 | 1.42 | 0.98 |
| Black Eyes | 1 | 1.42 | 0.98 |
| Knee-high Socks Clothes | 1 | 1.39 | 0.96 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.37 | 0.95 |
| Tominagi Subject of (Sexual) | 1 | 1.35 | 0.94 |
| Skirt Clothes | 1 | 1.34 | 0.93 |
| Black Hair | 2 | 0.80 | 0.88 |
| Parted in Middle Hair | 1 | 1.24 | 0.86 |
| Classmate Role | 1 | 1.23 | 0.85 |
| Friendly Personality | 1 | 1.21 | 0.84 |
| Violet Hair | 1 | 1.20 | 0.83 |
| Ribbon Hair Tie Clothes | 1 | 1.20 | 0.83 |
| Long Hair | 2 | 0.75 | 0.83 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.81 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.80 |
| Twin Tails Hair | 1 | 1.14 | 0.79 |
| Big Breasts Body | 1 | 1.10 | 0.76 |
| Brown Hair | 2 | 0.69 | 0.75 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Violet Eyes | 1 | 1.05 | 0.73 |
| Thigh-high Stockings Clothes | 1 | 1.05 | 0.73 |
| Spiky Bangs Hair | 1 | 0.99 | 0.69 |
| Brown Eyes | 1 | 0.90 | 0.62 |
| 1 | 0.00 | 0.00 |