Masamune likes his older sister, Minaho. But she has gone abroad to study soon after he entered a high school. He really likes her, her smile and her big and soft breasts.... "I wanna touch them!" He always feels down at the classroom and Momoko, his old friend, tries to cheer him up. At first, he doesn't see Momoko as a girl but when he takes a good look at her, he finds out that her breasts have been getting bigger since she entered the high school. One day, a fill-in teacher comes to his class. It is his older sister, Minaho! His life full of H starts... [From Eroge Shop]
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| Name | Score | Importance | Weight |
|---|---|---|---|
| Glasses Option | 2.00 | 2.48 | 4.95 |
| Comedic Love Triangle | 2.00 | 2.38 | 4.76 |
| Blood-related Brother/Sister Incest | 3.00 | 1.49 | 4.47 |
| Class President Heroine | 2.00 | 2.16 | 4.33 |
| Oneesan-type Heroine | 2.00 | 1.83 | 3.66 |
| Big Breast Sizes Heroine | 2.50 | 1.32 | 3.29 |
| Sex at School | 2.00 | 1.60 | 3.19 |
| Ejaculation Choice | 2.00 | 1.53 | 3.05 |
| School | 2.00 | 1.51 | 3.02 |
| Masturbation | 2.00 | 1.50 | 2.99 |
| Kissing Scene | 2.00 | 1.44 | 2.88 |
| Teacher Heroine | 2.00 | 1.37 | 2.74 |
| Boobjob | 2.00 | 1.33 | 2.66 |
| Perverted Friend | 1.00 | 2.35 | 2.35 |
| Adult Heroine | 2.00 | 1.13 | 2.27 |
| Blowjob | 2.00 | 1.12 | 2.25 |
| Heroine with Glasses | 2.00 | 1.11 | 2.22 |
| Group Sex of One Male and Several Females | 2.00 | 0.92 | 1.83 |
| High School Student Heroine | 2.00 | 0.85 | 1.69 |
| Doggy Style | 2.00 | 0.81 | 1.61 |
| Defloration | 2.00 | 0.76 | 1.52 |
| Nukige | 2.00 | 0.65 | 1.30 |
| Male Protagonist | 2.00 | 0.30 | 0.60 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Twin Boobjob Engages in (Sexual) | 2 | 1.77 | 1.94 |
| Masturbation Engages in (Sexual) | 3 | 1.40 | 1.94 |
| Sport Bloomers Clothes | 2 | 1.72 | 1.89 |
| Nipple Sucking Engages in (Sexual) | 2 | 1.70 | 1.86 |
| Twin Boobjob Subject of (Sexual) | 1 | 2.68 | 1.86 |
| Necktie Clothes | 4 | 1.12 | 1.80 |
| Bunny Dress Clothes | 1 | 2.46 | 1.70 |
| Sex at School Engages in (Sexual) | 2 | 1.55 | 1.70 |
| Principal Role | 1 | 2.36 | 1.64 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 3 | 1.17 | 1.62 |
| Incest Engages in (Sexual) | 2 | 1.47 | 1.61 |
| Sex on Roof Engages in (Sexual) | 1 | 2.29 | 1.59 |
| Class President Role | 1 | 2.28 | 1.58 |
| Knee-high Socks Clothes | 2 | 1.38 | 1.52 |
| Wrinkles Body | 1 | 2.12 | 1.47 |
| Pubic Hair Hair | 2 | 1.34 | 1.47 |
| T-shirt Clothes | 2 | 1.31 | 1.44 |
| Towel Clothes | 1 | 2.01 | 1.40 |
| Sixty-nine Engages in (Sexual) | 2 | 1.26 | 1.38 |
| Classmate Role | 2 | 1.23 | 1.35 |
| Beard Hair | 1 | 1.89 | 1.31 |
| Boobjob Subject of (Sexual) | 1 | 1.86 | 1.29 |
| Handjob Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Handjob Subject of (Sexual) | 1 | 1.75 | 1.22 |
| Short Shorts Clothes | 1 | 1.75 | 1.22 |
| Skirt Suit Clothes | 1 | 1.74 | 1.21 |
| Cowgirl Engages in (Sexual) | 1 | 1.71 | 1.19 |
| High School Student Role | 3 | 0.85 | 1.18 |
| Boobjob Engages in (Sexual) | 2 | 1.07 | 1.17 |
| Doggy Style Engages in (Sexual) | 1 | 1.68 | 1.17 |
| Father Role | 1 | 1.67 | 1.16 |
| Amber Eyes | 2 | 1.03 | 1.13 |
| Nail Polish Body | 1 | 1.62 | 1.13 |
| Big Breast Sizes Body | 1 | 1.56 | 1.08 |
| Older Sister Role | 1 | 1.56 | 1.08 |
| Teacher Role | 1 | 1.56 | 1.08 |
| Cunnilingus Engages in (Sexual) | 1 | 1.55 | 1.07 |
| Blowjob Subject of (Sexual) | 1 | 1.52 | 1.05 |
| Cowgirl Subject of (Sexual) | 2 | 0.95 | 1.05 |
| Shoulder-length Hair | 2 | 0.92 | 1.01 |
| Suit Clothes | 1 | 1.44 | 1.00 |
| Pantyhose Clothes | 1 | 1.43 | 0.99 |
| Black Eyes | 1 | 1.42 | 0.98 |
| Tank Top Clothes | 1 | 1.41 | 0.98 |
| Blond Hair | 2 | 0.89 | 0.98 |
| Grey Hair | 1 | 1.38 | 0.96 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Female Ejaculation Engages in (Sexual) | 1 | 1.36 | 0.95 |
| Blowjob Engages in (Sexual) | 2 | 0.76 | 0.84 |
| Friend Role | 1 | 1.20 | 0.83 |
| School Uniform Clothes | 2 | 0.76 | 0.83 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.81 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Missionary Subject of (Sexual) | 1 | 1.12 | 0.77 |
| Brown Hair | 2 | 0.68 | 0.75 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Sitting Sex Subject of (Sexual) | 1 | 1.06 | 0.74 |
| Parted to Side Hair | 1 | 1.05 | 0.73 |
| Green Eyes | 1 | 1.02 | 0.71 |
| Sidehair Hair | 1 | 0.98 | 0.68 |
| Short Hair | 2 | 0.61 | 0.67 |
| Doggy Style Subject of (Sexual) | 1 | 0.92 | 0.64 |
| Brown Eyes | 1 | 0.90 | 0.62 |
| Virgin Sex Engages in (Sexual) | 1 | 0.85 | 0.59 |
| Black Hair | 1 | 0.81 | 0.56 |