Average Rating:7.84
Bayesian Rating:7.78
Total Votes:55
Updated 13 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 | 2.49 | 3.45 |
| Wake-up Sex Engages in (Sexual) | 3 | 2.36 | 3.27 |
| Nightgown Clothes | 3 | 2.28 | 3.17 |
| Blowjob Duck Face Engages in (Sexual) | 3 | 2.23 | 3.10 |
| Boobs on Glass Subject of (Sexual) | 3 | 2.15 | 2.98 |
| Badminton Engages in | 1 | 3.80 | 2.63 |
| Deredere Personality | 3 | 1.74 | 2.42 |
| Sex with Protagonist Only Engages in (Sexual) | 3 | 1.68 | 2.32 |
| Spoons Subject of (Sexual) | 3 | 1.67 | 2.31 |
| Nipple Teasing Subject of (Sexual) | 3 | 1.57 | 2.18 |
| One Piece Bikini Clothes | 1 | 3.09 | 2.14 |
| French Kiss Engages in (Sexual) | 3 | 1.48 | 2.05 |
| Bra Clothes | 2 | 1.85 | 2.03 |
| Bodystocking Clothes | 1 | 2.93 | 2.03 |
| Sleeveless Turtleneck Sweater 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 | 1.91 |
| Female Ejaculation Engages in (Sexual) | 3 | 1.36 | 1.89 |
| Inverted Nipples Body | 1 | 2.68 | 1.86 |
| Imouto Act Role | 1 | 2.59 | 1.79 |
| Reverse Cowgirl Subject of (Sexual) | 2 | 1.63 | 1.79 |
| Blindfold Clothes | 1 | 2.54 | 1.76 |
| Sex in Public Places Engages in (Sexual) | 3 | 1.26 | 1.74 |
| Nursing Handjob Engages in (Sexual) | 1 | 2.50 | 1.73 |
| Non-blood-related Son Role | 1 | 2.49 | 1.72 |
| Armpit Sex Engages in (Sexual) | 1 | 2.48 | 1.72 |
| Full Sister Role | 2 | 1.56 | 1.72 |
| Donkan Personality | 1 | 2.45 | 1.70 |
| Baby-doll Clothes | 1 | 2.44 | 1.69 |
| Crotchless Panties Clothes | 1 | 2.40 | 1.67 |
| Drunk Sex Engages in (Sexual) | 1 | 2.40 | 1.67 |
| Sleeveless Dress Clothes | 1 | 2.40 | 1.66 |
| 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 |
| Loud Personality | 1 | 2.31 | 1.60 |
| Transparent Clothes | 1 | 2.31 | 1.60 |
| Bikini Clothes | 2 | 1.46 | 1.60 |
| Daughter Role | 2 | 1.45 | 1.60 |
| Leg Locking During Sex Engages in (Sexual) | 1 | 2.30 | 1.59 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Tank Top Clothes | 2 | 1.41 | 1.55 |
| Torn Pantyhose (damaged) Clothes | 1 | 2.21 | 1.53 |
| Widow Role | 1 | 2.20 | 1.53 |
| Spats Clothes | 1 | 2.20 | 1.53 |
| Milking (Sexual) Subject of (Sexual) | 1 | 2.20 | 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 |
| Over The Knee Socks Clothes | 1 | 1.94 | 1.35 |
| Piledriver Subject of (Sexual) | 1 | 1.94 | 1.35 |
| Cowgirl Subject of (Sexual) | 3 | 0.95 | 1.32 |
| Low Self-esteem Personality | 1 | 1.90 | 1.31 |
| 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 | 1.85 | 1.29 |
| Sexual Blindfold Subject of (Sexual) | 1 | 1.85 | 1.29 |
| Doggy Style Subject of (Sexual) | 3 | 0.92 | 1.28 |
| Pink Rotor Subject of (Sexual) | 1 | 1.84 | 1.27 |
| Outdoor Sex Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Hidden Eyes | 1 | 1.80 | 1.25 |
| Big Breasts Body | 2 | 1.13 | 1.24 |
| Missionary Subject of (Sexual) | 2 | 1.12 | 1.23 |
| Short Shorts Clothes | 1 | 1.75 | 1.21 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.74 | 1.20 |
| Mischievous Personality | 1 | 1.72 | 1.19 |
| Panties Clothes | 1 | 1.71 | 1.19 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Huge Breasts Body | 1 | 1.71 | 1.18 |
| Popular Role | 1 | 1.64 | 1.13 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Kind Personality | 2 | 1.03 | 1.13 |
| Maid's Headdress Clothes | 1 | 1.62 | 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 | 1.58 | 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 | 1.02 |
| Pissing Engages in (Sexual) | 1 | 1.47 | 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 | 0.97 |
| 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 | 0.92 |
| 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 | 1.11 | 0.77 |
| 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 | 0.80 | 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 |