Average Rating:7.84
Bayesian Rating:7.78
Total Votes:56
Updated 28 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 | 2.76 | 3.83 |
| Armpit Licking Subject of (Sexual) | 3 | 2.70 | 3.74 |
| Adult Breast Feeding (obsolete) Engages in (Sexual) | 3 | 2.38 | 3.30 |
| Wake-up Sex Engages in (Sexual) | 3 | 2.36 | 3.27 |
| Nightgown Clothes | 3 | 2.29 | 3.18 |
| Blowjob Duck Face Engages in (Sexual) | 3 | 2.24 | 3.10 |
| Boobs on Glass Subject of (Sexual) | 3 | 2.15 | 2.98 |
| Badminton Engages in | 1 | 3.79 | 2.63 |
| Deredere Personality | 3 | 1.74 | 2.42 |
| Sex with Protagonist Only Engages in (Sexual) | 3 | 1.68 | 2.33 |
| Spoons Subject of (Sexual) | 3 | 1.67 | 2.31 |
| Nipple Teasing Subject of (Sexual) | 3 | 1.57 | 2.18 |
| One Piece Bikini Clothes | 1 | 3.12 | 2.16 |
| French Kiss Engages in (Sexual) | 3 | 1.49 | 2.06 |
| Bra Clothes | 2 | 1.87 | 2.05 |
| Sleeveless Turtleneck Sweater Clothes | 1 | 2.93 | 2.03 |
| Bodystocking Clothes | 1 | 2.93 | 2.03 |
| Tennis Outfit Clothes | 1 | 2.92 | 2.02 |
| Mature Personality | 2 | 1.81 | 1.99 |
| Nipple Sucking Subject of (Sexual) | 3 | 1.38 | 1.92 |
| Female Ejaculation Engages in (Sexual) | 3 | 1.37 | 1.89 |
| Inverted Nipples Body | 1 | 2.68 | 1.86 |
| Reverse Cowgirl Subject of (Sexual) | 2 | 1.63 | 1.79 |
| Imouto Act Role | 1 | 2.58 | 1.79 |
| Blindfold Clothes | 1 | 2.54 | 1.76 |
| Nursing Handjob Engages in (Sexual) | 1 | 2.53 | 1.76 |
| Sex in Public Places Engages in (Sexual) | 3 | 1.26 | 1.74 |
| Non-blood-related Son Role | 1 | 2.49 | 1.72 |
| Full Sister Role | 2 | 1.57 | 1.72 |
| Armpit Sex Engages in (Sexual) | 1 | 2.48 | 1.72 |
| Donkan Personality | 1 | 2.45 | 1.70 |
| Baby-doll Clothes | 1 | 2.44 | 1.69 |
| Sleeveless Dress Clothes | 1 | 2.41 | 1.67 |
| Drunk Sex Engages in (Sexual) | 1 | 2.41 | 1.67 |
| Crotchless Panties Clothes | 1 | 2.40 | 1.67 |
| Standing Sex Subject of (Sexual) | 3 | 1.18 | 1.63 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 3 | 1.17 | 1.63 |
| Cunnilingus Subject of (Sexual) | 3 | 1.16 | 1.61 |
| Bikini Clothes | 2 | 1.46 | 1.61 |
| Loud Personality | 1 | 2.31 | 1.60 |
| Transparent Clothes | 1 | 2.31 | 1.60 |
| Daughter Role | 2 | 1.46 | 1.60 |
| Leg Locking During Sex Engages in (Sexual) | 1 | 2.30 | 1.60 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Tank Top Clothes | 2 | 1.42 | 1.56 |
| Torn Pantyhose (damaged) Clothes | 1 | 2.21 | 1.53 |
| Widow Role | 1 | 2.20 | 1.53 |
| Spats Clothes | 1 | 2.20 | 1.52 |
| Milking (Sexual) Subject of (Sexual) | 1 | 2.19 | 1.52 |
| Pissing Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Quickie Fix Subject of (Sexual) | 3 | 1.08 | 1.50 |
| Vaginal Fingering Subject of (Sexual) | 3 | 1.08 | 1.50 |
| Tominagi Subject of (Sexual) | 2 | 1.36 | 1.49 |
| Boobjob Engages in (Sexual) | 3 | 1.07 | 1.48 |
| Sitting Sex Subject of (Sexual) | 3 | 1.06 | 1.47 |
| Nurse's Cap Clothes | 1 | 2.09 | 1.45 |
| Twelfth Grader Role | 1 | 2.07 | 1.43 |
| Shopping Engages in | 1 | 2.04 | 1.42 |
| Green Eyes | 3 | 1.02 | 1.41 |
| Nurse Uniform Clothes | 1 | 2.00 | 1.39 |
| Vibrator Subject of (Sexual) | 1 | 1.98 | 1.37 |
| Facesitting Engages in (Sexual) | 1 | 1.97 | 1.37 |
| Piledriver Subject of (Sexual) | 1 | 1.94 | 1.35 |
| Over The Knee Socks Clothes | 1 | 1.94 | 1.35 |
| Cowgirl Subject of (Sexual) | 3 | 0.95 | 1.32 |
| Low Self-esteem Personality | 1 | 1.90 | 1.32 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.31 |
| Butterfly Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Discreet Sex Engages in (Sexual) | 1 | 1.86 | 1.29 |
| Sexual Blindfold Subject of (Sexual) | 1 | 1.85 | 1.28 |
| Doggy Style Subject of (Sexual) | 3 | 0.93 | 1.28 |
| Outdoor Sex Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Pink Rotor Subject of (Sexual) | 1 | 1.83 | 1.27 |
| Big Breasts Body | 2 | 1.14 | 1.25 |
| Hidden Eyes | 1 | 1.81 | 1.25 |
| Missionary Subject of (Sexual) | 2 | 1.12 | 1.23 |
| Short Shorts Clothes | 1 | 1.77 | 1.23 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.73 | 1.20 |
| Panties Clothes | 1 | 1.73 | 1.20 |
| Mischievous Personality | 1 | 1.73 | 1.20 |
| Huge Breasts Body | 1 | 1.72 | 1.19 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Popular Role | 1 | 1.63 | 1.13 |
| Kind Personality | 2 | 1.03 | 1.13 |
| Maid's Headdress Clothes | 1 | 1.63 | 1.13 |
| Senpai Role | 1 | 1.61 | 1.12 |
| Sex in Classroom Engages in (Sexual) | 1 | 1.61 | 1.11 |
| Lactation Engages in | 1 | 1.59 | 1.10 |
| Apron Clothes | 1 | 1.59 | 1.10 |
| Sex in Water Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Older Sister Role | 1 | 1.56 | 1.08 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.06 |
| Energetic Personality | 1 | 1.52 | 1.05 |
| Maid's Dress Clothes | 1 | 1.51 | 1.05 |
| Sailor School Uniform Clothes | 1 | 1.48 | 1.03 |
| Pissing Engages in (Sexual) | 1 | 1.46 | 1.02 |
| Mother Role | 1 | 1.46 | 1.01 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Hairpin Clothes | 1 | 1.40 | 0.97 |
| Masturbation Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Virgin Sex Engages in (Sexual) | 2 | 0.85 | 0.93 |
| Ahoge Hair | 1 | 1.32 | 0.91 |
| T-shirt Clothes | 1 | 1.31 | 0.91 |
| Sixty-nine Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Childhood Friend Role | 1 | 1.26 | 0.87 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Tareme Eyes | 1 | 1.10 | 0.76 |
| Brown Hair | 2 | 0.68 | 0.75 |
| Shoulder-length Hair | 1 | 0.92 | 0.64 |
| Slim Body | 2 | 0.58 | 0.63 |
| High School Student Role | 1 | 0.85 | 0.59 |
| Black Hair | 1 | 0.81 | 0.56 |
| Young-adult Body | 1 | 0.76 | 0.53 |
| School Uniform Clothes | 1 | 0.75 | 0.52 |
| Teen Body | 1 | 0.62 | 0.43 |
| Short Hair | 1 | 0.61 | 0.42 |
| Pale Body | 1 | 0.37 | 0.26 |
| 1 | 0.00 | 0.00 |