The main character is a white-collar worker. He has a wife, but she runs away from home. When he is at a loss what to do, Sayuri, his wife's mother, reaches out for him, "I'll replace her... Please..." As he lives with her, he gradually falls in love with her, and so does she... [From ErogeShop]
Tsuma no Haha Sayuri has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Polyamory Engages in | 4 | 2.08 | 3.34 |
| Shopping Engages in | 3 | 2.04 | 2.83 |
| Former Prostitute Role | 1 | 3.99 | 2.77 |
| Baby-doll Clothes | 2 | 2.44 | 2.68 |
| Bridal Carry Subject of | 2 | 2.42 | 2.66 |
| Discreet Sex Engages in (Sexual) | 3 | 1.85 | 2.57 |
| Infidelity Subject of | 2 | 2.28 | 2.51 |
| Bondage Sex Engages in (Sexual) | 2 | 2.28 | 2.50 |
| Deepthroat Engages in (Sexual) | 3 | 1.80 | 2.49 |
| Seduction Engages in | 2 | 2.17 | 2.39 |
| Handcuffed Sex Subject of (Sexual) | 2 | 2.16 | 2.37 |
| Son-in-law Role | 1 | 3.41 | 2.37 |
| Fainting Subject of | 2 | 2.14 | 2.35 |
| Nipple Sucking Engages in (Sexual) | 3 | 1.70 | 2.35 |
| Vaginal Masturbation Engages in (Sexual) | 3 | 1.67 | 2.32 |
| Bathroom Sex Engages in (Sexual) | 4 | 1.39 | 2.23 |
| Mother-in-law Role | 1 | 3.17 | 2.20 |
| Cleaning Engages in | 2 | 1.99 | 2.18 |
| Vibrator Subject of (Sexual) | 2 | 1.97 | 2.16 |
| Voyeurism Subject of (Sexual) | 2 | 1.95 | 2.15 |
| In-law Incest Engages in (Sexual) | 1 | 3.06 | 2.12 |
| Sex in Front of an Audience Engages in (Sexual) | 3 | 1.50 | 2.08 |
| Jealous Personality | 2 | 1.87 | 2.06 |
| Pink Rotor Subject of (Sexual) | 2 | 1.84 | 2.02 |
| Cooking Engages in | 3 | 1.42 | 1.97 |
| Pre-Story Virginity Loss to Protagonist Role | 1 | 2.83 | 1.96 |
| Not a Virgin Role | 3 | 1.41 | 1.96 |
| Twin Boobjob Engages in (Sexual) | 2 | 1.77 | 1.94 |
| Nipple Sucking Subject of (Sexual) | 3 | 1.38 | 1.91 |
| Female Ejaculation Engages in (Sexual) | 3 | 1.36 | 1.89 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 4 | 1.17 | 1.88 |
| Anal Fingering Subject of (Sexual) | 2 | 1.71 | 1.88 |
| Tominagi Subject of (Sexual) | 3 | 1.36 | 1.88 |
| Twin Boobjob Subject of (Sexual) | 1 | 2.68 | 1.86 |
| Pubic Hair Hair | 3 | 1.34 | 1.85 |
| Debt Subject of | 1 | 2.61 | 1.81 |
| Pessimist Personality | 1 | 2.60 | 1.80 |
| Arranged Marriage Subject of | 1 | 2.59 | 1.80 |
| Vaginal Fingering Engages in (Sexual) | 2 | 1.61 | 1.77 |
| Nephew Role | 1 | 2.56 | 1.77 |
| Drinking Engages in | 2 | 1.61 | 1.77 |
| Coat Cape Clothes | 1 | 2.54 | 1.76 |
| Sex in Public Places Engages in (Sexual) | 3 | 1.26 | 1.75 |
| Naked Shirt Clothes | 1 | 2.51 | 1.74 |
| Halterneck Dress Clothes | 1 | 2.51 | 1.74 |
| Bondage Sex Subject of (Sexual) | 2 | 1.58 | 1.74 |
| Sex with Children Engages in (Sexual) | 1 | 2.49 | 1.73 |
| Consumption of Porn Engages in (Sexual) | 1 | 2.46 | 1.71 |
| Donkan Personality | 1 | 2.45 | 1.70 |
| No Panties Clothes | 1 | 2.41 | 1.67 |
| Friend Role | 3 | 1.20 | 1.67 |
| Marriage Proposal Engages in | 1 | 2.40 | 1.67 |
| Stylish Personality | 1 | 2.39 | 1.66 |
| Leotard Clothes | 1 | 2.39 | 1.65 |
| Anal Sex Subject of (Sexual) | 3 | 1.19 | 1.65 |
| Magic Wand Subject of (Sexual) | 1 | 2.37 | 1.64 |
| Aunt Role | 1 | 2.37 | 1.64 |
| Wake-up Sex Engages in (Sexual) | 1 | 2.36 | 1.64 |
| Butterfly Subject of (Sexual) | 3 | 1.17 | 1.63 |
| Sensitive Personality | 1 | 2.33 | 1.62 |
| Ball-cupping Engages in (Sexual) | 1 | 2.33 | 1.62 |
| Incest Engages in (Sexual) | 2 | 1.47 | 1.61 |
| Cunnilingus Subject of (Sexual) | 3 | 1.16 | 1.61 |
| Office Worker Role | 1 | 2.32 | 1.61 |
| Outdoor Sex Engages in (Sexual) | 3 | 1.16 | 1.60 |
| Twin Blowjob Subject of (Sexual) | 1 | 2.31 | 1.60 |
| Housewife Role | 1 | 2.31 | 1.60 |
| Rope Bondage Harness Clothes | 1 | 2.29 | 1.59 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Nightgown Clothes | 1 | 2.28 | 1.58 |
| Intercrural Sex Subject of (Sexual) | 1 | 2.28 | 1.58 |
| Big Breasts Body | 3 | 1.13 | 1.56 |
| Attempted Homicide Subject of | 1 | 2.22 | 1.54 |
| Spoons Engages in (Sexual) | 1 | 2.21 | 1.53 |
| Cautious Personality | 1 | 2.20 | 1.53 |
| Lesbian Sex Engages in (Sexual) | 2 | 1.38 | 1.51 |
| Quickie Fix Subject of (Sexual) | 3 | 1.08 | 1.50 |
| Visible Nipples Body | 1 | 2.16 | 1.50 |
| Driving Engages in | 1 | 2.16 | 1.50 |
| Attempted Murder Engages in | 1 | 2.16 | 1.50 |
| Vaginal Fingering Subject of (Sexual) | 3 | 1.08 | 1.49 |
| Non-blood-related Incest Engages in (Sexual) | 1 | 2.15 | 1.49 |
| Executive Role | 1 | 2.15 | 1.49 |
| Voyeurism Engages in (Sexual) | 1 | 2.14 | 1.48 |
| Boobjob Engages in (Sexual) | 3 | 1.07 | 1.48 |
| Tominagi Engages in (Sexual) | 1 | 2.11 | 1.46 |
| Lace Lingerie Clothes | 1 | 2.10 | 1.45 |
| Consensual Porn Acting Engages in (Sexual) | 1 | 2.09 | 1.45 |
| Shopkeeper Role | 1 | 2.09 | 1.45 |
| Altruistic Personality | 1 | 2.08 | 1.44 |
| Curtained Hair | 2 | 1.30 | 1.43 |
| Kind Personality | 3 | 1.03 | 1.42 |
| Anal Fingering Engages in (Sexual) | 1 | 2.05 | 1.42 |
| Sex on Toilet Engages in (Sexual) | 1 | 2.03 | 1.41 |
| Sex in a Vehicle Engages in (Sexual) | 1 | 2.03 | 1.41 |
| Secretive Personality | 1 | 2.00 | 1.39 |
| Ringlet Hair | 1 | 2.00 | 1.39 |
| Yamato Nadeshiko Role | 1 | 2.00 | 1.38 |
| Watashi Personality | 2 | 1.25 | 1.37 |
| Decorative Belt Clothes | 1 | 1.98 | 1.37 |
| Facesitting Engages in (Sexual) | 1 | 1.97 | 1.37 |
| Immature Personality | 1 | 1.93 | 1.34 |
| Cowgirl Subject of (Sexual) | 3 | 0.95 | 1.32 |
| Masturbation in front of an Audience Engages in (Sexual) | 1 | 1.90 | 1.32 |
| Atashi Personality | 1 | 1.90 | 1.32 |
| Low Self-esteem Personality | 1 | 1.90 | 1.31 |
| Quickie Fix Engages in (Sexual) | 1 | 1.88 | 1.30 |
| Naked Apron Clothes | 1 | 1.88 | 1.30 |
| Cardigan Clothes | 1 | 1.87 | 1.30 |
| Standing Sex Engages in (Sexual) | 1 | 1.87 | 1.29 |
| Spanking Subject of (Sexual) | 1 | 1.87 | 1.29 |
| Timid Personality | 1 | 1.86 | 1.29 |
| Boobjob Subject of (Sexual) | 1 | 1.86 | 1.29 |
| Yukata Clothes | 1 | 1.85 | 1.28 |
| Doggy Style Subject of (Sexual) | 3 | 0.92 | 1.28 |
| Intercrural Sex Engages in (Sexual) | 1 | 1.84 | 1.28 |
| Handjob Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Blunt Personality | 1 | 1.83 | 1.27 |
| Hat Clothes | 1 | 1.83 | 1.27 |
| Sitting Sex Engages in (Sexual) | 1 | 1.82 | 1.26 |
| Evening Gloves Clothes | 1 | 1.81 | 1.26 |
| Husband Role | 1 | 1.80 | 1.25 |
| Hidden Eyes | 1 | 1.80 | 1.25 |
| Infidelity Engages in | 1 | 1.80 | 1.25 |
| Hair Flower Clothes | 1 | 1.77 | 1.23 |
| Anal Sex Engages in (Sexual) | 1 | 1.76 | 1.22 |
| Handjob Subject of (Sexual) | 1 | 1.75 | 1.22 |
| Deredere Personality | 1 | 1.74 | 1.21 |
| Missionary Engages in (Sexual) | 1 | 1.74 | 1.21 |
| Mischievous Personality | 1 | 1.72 | 1.20 |
| Outgoing Personality | 1 | 1.72 | 1.19 |
| Cowgirl Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Reserved Personality | 1 | 1.71 | 1.19 |
| Coat Clothes | 1 | 1.70 | 1.18 |
| Arrogant Personality | 1 | 1.70 | 1.18 |
| Loyal Personality | 1 | 1.69 | 1.17 |
| Doggy Style Engages in (Sexual) | 1 | 1.68 | 1.17 |
| Sitting Sex Subject of (Sexual) | 2 | 1.06 | 1.17 |
| Stubborn Personality | 1 | 1.68 | 1.16 |
| Rope Bondage Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Protective Personality | 1 | 1.67 | 1.16 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Parted to Side Hair | 2 | 1.05 | 1.15 |
| Garnet Eyes | 1 | 1.66 | 1.15 |
| Wealthy Role | 1 | 1.66 | 1.15 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Nail Polish Body | 1 | 1.62 | 1.13 |
| Black Hair | 3 | 0.81 | 1.12 |
| Apron Clothes | 1 | 1.59 | 1.10 |
| Mole Body | 1 | 1.58 | 1.09 |
| Ore Personality | 1 | 1.58 | 1.09 |
| Kimono Clothes | 1 | 1.57 | 1.09 |
| Sex in Water Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Bracelet Clothes | 1 | 1.56 | 1.08 |
| Sidehair Hair | 2 | 0.98 | 1.08 |
| Cunnilingus Engages in (Sexual) | 1 | 1.55 | 1.07 |
| Refined Personality | 1 | 1.54 | 1.07 |
| Hard Worker Personality | 1 | 1.54 | 1.07 |
| Wife Role | 1 | 1.53 | 1.06 |
| Makeup Body | 1 | 1.53 | 1.06 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.06 |
| Pendant Necklace Clothes | 1 | 1.52 | 1.05 |
| Blowjob Subject of (Sexual) | 1 | 1.52 | 1.05 |
| Young-adult Body | 3 | 0.76 | 1.05 |
| Necklace Clothes | 1 | 1.50 | 1.04 |
| Straight Hair | 2 | 0.94 | 1.04 |
| Green Hair | 1 | 1.48 | 1.03 |
| Sailor School Uniform Clothes | 1 | 1.47 | 1.02 |
| Mother Role | 1 | 1.46 | 1.01 |
| Teasing Engages in | 1 | 1.44 | 1.00 |
| Suit Clothes | 1 | 1.44 | 1.00 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Hair Tie Clothes | 1 | 1.41 | 0.98 |
| Masturbation Engages in (Sexual) | 1 | 1.40 | 0.97 |
| Adult Body | 1 | 1.34 | 0.93 |
| Belt Clothes | 1 | 1.27 | 0.88 |
| Sixty-nine Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Dress Clothes | 1 | 1.25 | 0.87 |
| Parted in Middle Hair | 1 | 1.25 | 0.87 |
| Friendly Personality | 1 | 1.22 | 0.84 |
| Long Hair | 2 | 0.75 | 0.82 |
| Trousers Clothes | 1 | 1.19 | 0.82 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.81 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Slim Body | 3 | 0.58 | 0.80 |
| Missionary Subject of (Sexual) | 1 | 1.12 | 0.77 |
| Necktie Clothes | 1 | 1.12 | 0.77 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Violet Eyes | 1 | 1.05 | 0.73 |
| Spiky Bangs Hair | 1 | 1.00 | 0.69 |
| Shoulder-length Hair | 1 | 0.92 | 0.64 |
| Brown Eyes | 1 | 0.90 | 0.62 |
| Pale Body | 3 | 0.37 | 0.51 |