The protagonist fails his entrance exams and moves to Tokyo to attend a prep school in the city, living with his brother's family. His brother and sister-in-law warmly welcome him into their home. As he begins his new life, he becomes close to his kind sister-in-law, and his feelings for her begin to grow. Then, her mother and sister begin to visit as well...
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Sex with Others Engages in (Sexual) | 3 | 1.99 | 2.76 |
| Housewife Role | 2 | 2.31 | 2.53 |
| Infidelity Engages in | 3 | 1.80 | 2.49 |
| Mother-in-law Role | 1 | 3.18 | 2.20 |
| Not a Virgin Role | 3 | 1.41 | 1.96 |
| Grandmother Role | 1 | 2.68 | 1.86 |
| Sister-in-law Role | 1 | 2.66 | 1.84 |
| Garnet Eyes | 2 | 1.66 | 1.82 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 3 | 1.17 | 1.63 |
| Incest Engages in (Sexual) | 2 | 1.47 | 1.61 |
| Blouse Clothes | 2 | 1.46 | 1.61 |
| Mother Role | 2 | 1.46 | 1.60 |
| Daughter Role | 2 | 1.45 | 1.60 |
| Skirt Clothes | 2 | 1.34 | 1.47 |
| Docile Personality | 1 | 2.04 | 1.42 |
| Airhead Personality | 1 | 1.92 | 1.33 |
| Intercrural Sex Engages in (Sexual) | 1 | 1.84 | 1.28 |
| Shoulder-length Hair | 3 | 0.92 | 1.27 |
| Short Shorts Clothes | 1 | 1.75 | 1.21 |
| Footjob Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Hoodie Clothes | 1 | 1.70 | 1.18 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.15 |
| Sweater Clothes | 1 | 1.63 | 1.13 |
| Lactation Engages in | 1 | 1.59 | 1.10 |
| Older Sister Role | 1 | 1.56 | 1.08 |
| Big Breast Sizes Body | 1 | 1.55 | 1.08 |
| Cunnilingus Engages in (Sexual) | 1 | 1.55 | 1.08 |
| Sidehair Hair | 2 | 0.98 | 1.07 |
| Pregnant Sex Engages in (Sexual) | 1 | 1.53 | 1.06 |
| Wife Role | 1 | 1.53 | 1.06 |
| Young-adult Body | 3 | 0.76 | 1.05 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Cooking Engages in | 1 | 1.42 | 0.98 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Brown Hair | 3 | 0.68 | 0.95 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Ahoge Hair | 1 | 1.32 | 0.92 |
| Belt Clothes | 1 | 1.27 | 0.88 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.81 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Kind Personality | 1 | 1.03 | 0.71 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Doggy Style Subject of (Sexual) | 1 | 0.92 | 0.64 |
| Blue Eyes | 1 | 0.80 | 0.56 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |
| Pale Body | 3 | 0.37 | 0.51 |
| Slim Body | 1 | 0.58 | 0.40 |
| 3 | 0.00 | 0.00 |