Average Rating:7.89
Bayesian Rating:7.81
Total Votes:52
Updated 10 days ago
The hero's father owns an inn named YAYOI. His mother has died ten years prior. Mirei Yasoshima, a friend of the hero's father comes over to take care of the hero. Sometimes she will bring her two daughters with her, and the group has fun together as he grows up. One day, someone wonders who is a better lover: Mirei or one of her daughters. They ask the hero to help decide. [Summarized from Getchu]
Mama Sis ~Okaa-san to Watashi, Docchi ga Ii no?~ 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 |
|---|---|---|---|
| Visible Cervix Penetration Subject of (Sexual) | 3 | 2.75 | 3.81 |
| Armpit Licking Subject of (Sexual) | 3 | 2.69 | 3.73 |
| Wake-up Sex Engages in (Sexual) | 3 | 2.38 | 3.30 |
| Nightgown Clothes | 3 | 2.31 | 3.21 |
| Adult Breast Feeding (obsolete) Engages in (Sexual) | 3 | 2.24 | 3.10 |
| Blowjob Duck Face Engages in (Sexual) | 3 | 2.23 | 3.09 |
| Boobs on Glass Subject of (Sexual) | 3 | 2.14 | 2.97 |
| Badminton Engages in | 1 | 3.77 | 2.62 |
| Deredere Personality | 3 | 1.75 | 2.43 |
| Sex with Protagonist Only Engages in (Sexual) | 3 | 1.69 | 2.34 |
| Spoons Subject of (Sexual) | 3 | 1.67 | 2.31 |
| Nipple Teasing Subject of (Sexual) | 3 | 1.59 | 2.21 |
| One Piece Bikini Clothes | 1 | 3.14 | 2.18 |
| French Kiss Engages in (Sexual) | 3 | 1.52 | 2.11 |
| Bra Clothes | 2 | 1.90 | 2.09 |
| Sleeveless Turtleneck Sweater Clothes | 1 | 2.98 | 2.07 |
| Bodystocking Clothes | 1 | 2.93 | 2.03 |
| Tennis Outfit Clothes | 1 | 2.93 | 2.03 |
| Mature Personality | 2 | 1.83 | 2.01 |
| Nipple Sucking Subject of (Sexual) | 3 | 1.39 | 1.93 |
| Female Ejaculation Engages in (Sexual) | 3 | 1.38 | 1.91 |
| Inverted Nipples Body | 1 | 2.67 | 1.85 |
| Imouto Act Role | 1 | 2.60 | 1.80 |
| Reverse Cowgirl Subject of (Sexual) | 2 | 1.64 | 1.80 |
| Nursing Handjob Engages in (Sexual) | 1 | 2.57 | 1.78 |
| Blindfold Clothes | 1 | 2.52 | 1.75 |
| Sex in Public Places Engages in (Sexual) | 3 | 1.26 | 1.75 |
| Non-blood-related Son Role | 1 | 2.50 | 1.74 |
| Full Sister Role | 2 | 1.57 | 1.73 |
| Armpit Sex Engages in (Sexual) | 1 | 2.48 | 1.72 |
| Sleeveless Dress Clothes | 1 | 2.47 | 1.71 |
| Donkan Personality | 1 | 2.45 | 1.70 |
| Baby-doll Clothes | 1 | 2.43 | 1.68 |
| Drunk Sex Engages in (Sexual) | 1 | 2.42 | 1.68 |
| Crotchless Panties Clothes | 1 | 2.40 | 1.66 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 3 | 1.19 | 1.65 |
| Standing Sex Subject of (Sexual) | 3 | 1.18 | 1.63 |
| Cunnilingus Subject of (Sexual) | 3 | 1.17 | 1.62 |
| Leg Locking During Sex Engages in (Sexual) | 1 | 2.34 | 1.62 |
| Daughter Role | 2 | 1.47 | 1.61 |
| Bikini Clothes | 2 | 1.46 | 1.61 |
| Loud Personality | 1 | 2.30 | 1.60 |
| Transparent Clothes | 1 | 2.30 | 1.60 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.44 | 1.58 |
| Tank Top Clothes | 2 | 1.43 | 1.57 |
| Widow Role | 1 | 2.22 | 1.54 |
| Milking (Sexual) Subject of (Sexual) | 1 | 2.21 | 1.53 |
| Torn Pantyhose (damaged) Clothes | 1 | 2.20 | 1.53 |
| Spats Clothes | 1 | 2.19 | 1.52 |
| Pissing Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Vaginal Fingering Subject of (Sexual) | 3 | 1.08 | 1.50 |
| Tominagi Subject of (Sexual) | 2 | 1.36 | 1.49 |
| Quickie Fix Subject of (Sexual) | 3 | 1.08 | 1.49 |
| Boobjob Engages in (Sexual) | 3 | 1.06 | 1.47 |
| Sitting Sex Subject of (Sexual) | 3 | 1.05 | 1.46 |
| Nurse's Cap Clothes | 1 | 2.08 | 1.44 |
| Twelfth Grader Role | 1 | 2.06 | 1.43 |
| Vibrator Subject of (Sexual) | 1 | 2.06 | 1.43 |
| Shopping Engages in | 1 | 2.05 | 1.42 |
| Green Eyes | 3 | 1.01 | 1.40 |
| Facesitting Engages in (Sexual) | 1 | 2.00 | 1.38 |
| Nurse Uniform Clothes | 1 | 1.99 | 1.38 |
| Piledriver Subject of (Sexual) | 1 | 1.95 | 1.35 |
| Over The Knee Socks Clothes | 1 | 1.93 | 1.34 |
| Low Self-esteem Personality | 1 | 1.91 | 1.32 |
| Cowgirl Subject of (Sexual) | 3 | 0.95 | 1.32 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.30 |
| Big Breasts Body | 2 | 1.19 | 1.30 |
| Discreet Sex Engages in (Sexual) | 1 | 1.87 | 1.29 |
| Butterfly Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Sexual Blindfold Subject of (Sexual) | 1 | 1.85 | 1.28 |
| Doggy Style Subject of (Sexual) | 3 | 0.92 | 1.28 |
| Pink Rotor Subject of (Sexual) | 1 | 1.83 | 1.27 |
| Outdoor Sex Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Hidden Eyes | 1 | 1.81 | 1.25 |
| Short Shorts Clothes | 1 | 1.79 | 1.24 |
| Huge Breasts Body | 1 | 1.78 | 1.23 |
| Missionary Subject of (Sexual) | 2 | 1.11 | 1.22 |
| Panties Clothes | 1 | 1.75 | 1.21 |
| Mischievous Personality | 1 | 1.74 | 1.21 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.73 | 1.20 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Kind Personality | 2 | 1.04 | 1.14 |
| Relaxed Personality | 1 | 1.64 | 1.14 |
| Popular Role | 1 | 1.64 | 1.13 |
| Maid's Headdress Clothes | 1 | 1.62 | 1.12 |
| Sex in Classroom Engages in (Sexual) | 1 | 1.61 | 1.12 |
| Senpai Role | 1 | 1.61 | 1.11 |
| Lactation Engages in | 1 | 1.59 | 1.10 |
| Apron Clothes | 1 | 1.58 | 1.09 |
| Sex in Water Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Older Sister Role | 1 | 1.55 | 1.08 |
| Energetic Personality | 1 | 1.53 | 1.06 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.05 |
| Maid's Dress Clothes | 1 | 1.51 | 1.05 |
| Sailor School Uniform Clothes | 1 | 1.48 | 1.03 |
| Mother Role | 1 | 1.47 | 1.02 |
| Pissing Engages in (Sexual) | 1 | 1.46 | 1.01 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.97 |
| Hairpin Clothes | 1 | 1.39 | 0.97 |
| Masturbation Engages in (Sexual) | 1 | 1.37 | 0.95 |
| Virgin Sex Engages in (Sexual) | 2 | 0.84 | 0.93 |
| T-shirt Clothes | 1 | 1.32 | 0.91 |
| Ahoge Hair | 1 | 1.31 | 0.91 |
| Sixty-nine Engages in (Sexual) | 1 | 1.25 | 0.87 |
| Childhood Friend Role | 1 | 1.25 | 0.87 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Tareme Eyes | 1 | 1.09 | 0.76 |
| Brown Hair | 2 | 0.68 | 0.75 |
| Shoulder-length Hair | 1 | 0.91 | 0.63 |
| Slim Body | 2 | 0.57 | 0.63 |
| High School Student Role | 1 | 0.84 | 0.58 |
| Black Hair | 1 | 0.81 | 0.56 |
| Young-adult Body | 1 | 0.77 | 0.53 |
| School Uniform Clothes | 1 | 0.74 | 0.51 |
| Teen Body | 1 | 0.61 | 0.43 |
| Short Hair | 1 | 0.61 | 0.42 |
| Pale Body | 1 | 0.37 | 0.26 |
| 1 | 0.00 | 0.00 |