Main character lives alone and attends art lessons at a vocational school. One day a cousin suddenly arrives to help him around the house. Protagonist has a faint memory of a loving sister doing the house chores, so he reluctantly lets her in. But then four more girls arrive saying absolutely the same. Who of them is his real cousin from the past? His life turns in a mess while he tries to figure it out. [From vndbreview]
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One~san Day☆by☆Day 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 |
|---|---|---|---|
| Male on Futanari | 2.00 | 2.50 | 5.00 |
| Artist Protagonist | 2.00 | 2.48 | 4.95 |
| Futanari Heroine | 2.00 | 1.97 | 3.95 |
| Straight Lolicon | 2.00 | 1.50 | 3.00 |
| Loli Heroine | 2.00 | 1.19 | 2.38 |
| Double Penetration (Group Sex) | 1.00 | 1.45 | 1.45 |
| Sexual Content | 2.00 | 0.63 | 1.26 |
| Male Protagonist | 2.00 | 0.30 | 0.60 |
| ADV | 2.00 | 0.14 | 0.29 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Turtleneck Shirt Clothes | 2 | 1.98 | 2.18 |
| Oversized Clothing Clothes | 1 | 2.80 | 1.94 |
| Pubic Hair Hair | 3 | 1.34 | 1.85 |
| Kemonomimi Hat Clothes | 1 | 2.63 | 1.82 |
| Band-aid Clothes | 1 | 2.51 | 1.74 |
| Futanari Body | 1 | 2.36 | 1.63 |
| Butterfly Subject of (Sexual) | 3 | 1.17 | 1.63 |
| Cunnilingus Subject of (Sexual) | 3 | 1.16 | 1.61 |
| Nipple Sucking Subject of (Sexual) | 2 | 1.38 | 1.52 |
| Bell (accessory) Clothes | 1 | 2.16 | 1.50 |
| Skirt Clothes | 2 | 1.34 | 1.47 |
| Medical Doctor Role | 1 | 2.08 | 1.44 |
| Green Eyes | 3 | 1.02 | 1.41 |
| Cyan Hair | 1 | 2.03 | 1.41 |
| Dress Clothes | 2 | 1.25 | 1.38 |
| Decorative Belt Clothes | 1 | 1.98 | 1.37 |
| Antenna Hair | 1 | 1.93 | 1.34 |
| Trousers Clothes | 2 | 1.19 | 1.30 |
| Fang Body | 1 | 1.88 | 1.30 |
| Missionary Subject of (Sexual) | 2 | 1.12 | 1.23 |
| Handjob Subject of (Sexual) | 1 | 1.75 | 1.22 |
| Skirt Suit Clothes | 1 | 1.74 | 1.21 |
| Miniskirt Clothes | 2 | 1.06 | 1.17 |
| Rope Bondage Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Thigh-high Stockings Clothes | 2 | 1.04 | 1.15 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Apron Clothes | 1 | 1.59 | 1.10 |
| Mole Body | 1 | 1.58 | 1.09 |
| Big Breast Sizes Body | 1 | 1.56 | 1.08 |
| Orange Hair | 1 | 1.51 | 1.05 |
| Green Hair | 1 | 1.48 | 1.03 |
| Doggy Style Subject of (Sexual) | 2 | 0.92 | 1.02 |
| Seventh Posture Subject of (Sexual) | 1 | 1.46 | 1.01 |
| Shoulder-length Hair | 2 | 0.92 | 1.01 |
| Pantyhose Clothes | 1 | 1.43 | 0.99 |
| Jacket Clothes | 1 | 1.42 | 0.98 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Grey Hair | 1 | 1.38 | 0.96 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Pink Hair | 1 | 1.33 | 0.92 |
| Ahoge Hair | 1 | 1.32 | 0.92 |
| Curtained Hair | 1 | 1.30 | 0.90 |
| Waist Length+ Hair | 2 | 0.81 | 0.89 |
| Blue Eyes | 2 | 0.80 | 0.88 |
| Blowjob Engages in (Sexual) | 2 | 0.76 | 0.84 |
| Red Eyes | 1 | 1.20 | 0.83 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Necktie Clothes | 1 | 1.12 | 0.77 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Short Hair | 2 | 0.61 | 0.67 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Brown Eyes | 1 | 0.90 | 0.62 |
| Blond Hair | 1 | 0.89 | 0.62 |
| Long Hair | 1 | 0.75 | 0.52 |
| Brown Hair | 1 | 0.68 | 0.47 |