The first summer vacation after being out of town, for the first time after several months, the protagonist returns to his hometown. Even though the circumstances have changed, his summer begins like always......or it should have been. Unexpectedly, a story about his cousin's arranged marriage comes up. And as a result, the protagonist eventually realizes the hidden feelings of his cousin, his younger sister, and his childhood friend── By being deeply connected with these girls, a new kind of summer begins. Set during the summer in the countryside, with the alluring love and desire of these 3 girls intertwine, begins an immoral love story. [Translated and edited from the official website]
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| Name | Score | Importance | Weight |
|---|---|---|---|
| Blood-related Cousin Incest | 3.00 | 2.67 | 8.00 |
| Cousin Romance | 3.00 | 2.39 | 7.16 |
| Deredere Heroine | 3.00 | 1.61 | 4.84 |
| Fictional Modern Day Japanese Countryside | 2.00 | 2.32 | 4.65 |
| Arranged Marriage | 2.00 | 2.23 | 4.46 |
| Ejaculation Forewarner | 2.00 | 2.15 | 4.30 |
| Summer | 2.50 | 1.67 | 4.16 |
| Voiced Thoughts | 2.00 | 2.02 | 4.04 |
| Backlog Jump | 2.00 | 1.95 | 3.90 |
| Protagonist's Cousin as a Heroine | 2.00 | 1.89 | 3.77 |
| Pure Love Story | 2.00 | 1.85 | 3.70 |
| Super Deformed CG's | 2.00 | 1.52 | 3.03 |
| Ojousama Heroine | 2.00 | 1.45 | 2.89 |
| Background Moans | 2.00 | 1.44 | 2.88 |
| Early Sexual Content | 2.00 | 1.23 | 2.45 |
| Nukige | 3.00 | 0.65 | 1.95 |
| Heroine with Big Breasts | 2.00 | 0.84 | 1.67 |
| Male Protagonist | 3.00 | 0.30 | 0.90 |
| ADV | 3.00 | 0.14 | 0.43 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Deredere Personality | 3 | 1.74 | 2.42 |
| Wedge Sandals Clothes | 1 | 3.29 | 2.28 |
| Cousin Role | 2 | 1.88 | 2.06 |
| Loafers Clothes | 2 | 1.71 | 1.88 |
| Sun Hat Clothes | 1 | 2.71 | 1.88 |
| Zouri Clothes | 1 | 2.39 | 1.66 |
| Ignorant Personality | 1 | 2.35 | 1.63 |
| Sailor School Uniform Clothes | 2 | 1.47 | 1.62 |
| Blouse Clothes | 2 | 1.46 | 1.61 |
| Leg Locking During Sex Engages in (Sexual) | 1 | 2.30 | 1.59 |
| Suspenders Clothes | 1 | 2.29 | 1.59 |
| Loner Personality | 1 | 2.26 | 1.57 |
| High Heeled Sandals Clothes | 1 | 2.24 | 1.56 |
| Hair Tie Clothes | 2 | 1.41 | 1.55 |
| Knee-high Socks Clothes | 2 | 1.38 | 1.52 |
| Sexual Submissive Role | 1 | 2.17 | 1.51 |
| Skirt Clothes | 2 | 1.34 | 1.47 |
| Court Shoes Clothes | 1 | 2.10 | 1.46 |
| Gokkun Engages in (Sexual) | 1 | 2.04 | 1.42 |
| Docile Personality | 1 | 2.04 | 1.42 |
| Tomboy Personality | 1 | 1.96 | 1.36 |
| Unusual Hair Ornaments Clothes | 1 | 1.88 | 1.30 |
| Standing Sex Engages in (Sexual) | 1 | 1.87 | 1.29 |
| Yukata Clothes | 1 | 1.85 | 1.28 |
| Honest Personality | 1 | 1.84 | 1.27 |
| Handjob Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Deepthroat Engages in (Sexual) | 1 | 1.80 | 1.25 |
| Big Breasts Body | 2 | 1.13 | 1.24 |
| Boku Personality | 1 | 1.78 | 1.23 |
| Missionary Subject of (Sexual) | 2 | 1.12 | 1.23 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.74 | 1.20 |
| Sports Shoes Clothes | 1 | 1.72 | 1.19 |
| Nipple Sucking Engages in (Sexual) | 1 | 1.70 | 1.18 |
| Naive Personality | 1 | 1.69 | 1.17 |
| Shorts Clothes | 1 | 1.68 | 1.16 |
| Sex with Protagonist Only Engages in (Sexual) | 1 | 1.67 | 1.16 |
| Crop Top Clothes | 1 | 1.66 | 1.15 |
| Wealthy Role | 1 | 1.66 | 1.15 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Mole Body | 1 | 1.58 | 1.09 |
| Nipple Teasing Subject of (Sexual) | 1 | 1.57 | 1.09 |
| Sex in Water Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Medium Breasts Body | 1 | 1.51 | 1.05 |
| Bikini Clothes | 1 | 1.46 | 1.01 |
| Younger Sister Role | 1 | 1.45 | 1.00 |
| Pantyhose Clothes | 1 | 1.43 | 0.99 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| High School Student Role | 2 | 0.85 | 0.94 |
| Virgin Sex Engages in (Sexual) | 2 | 0.85 | 0.94 |
| Pink Hair | 1 | 1.33 | 0.92 |
| Black Hair | 2 | 0.81 | 0.89 |
| Childhood Friend Role | 1 | 1.26 | 0.87 |
| Dress Clothes | 1 | 1.25 | 0.87 |
| Ribbon Tie Clothes | 1 | 1.25 | 0.87 |
| Watashi Personality | 1 | 1.25 | 0.87 |
| Blowjob Engages in (Sexual) | 2 | 0.76 | 0.84 |
| Red Eyes | 1 | 1.20 | 0.83 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.81 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.81 |
| Outdoor Sex Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Slim Body | 3 | 0.58 | 0.80 |
| Twin Tails Hair | 1 | 1.13 | 0.78 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Boobjob Engages in (Sexual) | 1 | 1.07 | 0.74 |
| Sitting Sex Subject of (Sexual) | 1 | 1.06 | 0.74 |
| Violet Eyes | 1 | 1.05 | 0.73 |
| Amber Eyes | 1 | 1.03 | 0.72 |
| Teen Body | 2 | 0.62 | 0.68 |
| Sidehair Hair | 1 | 0.98 | 0.68 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Straight Hair | 1 | 0.94 | 0.65 |
| Doggy Style Subject of (Sexual) | 1 | 0.92 | 0.64 |
| Young-adult Body | 1 | 0.76 | 0.53 |
| Long Hair | 1 | 0.75 | 0.52 |
| Pale Body | 3 | 0.37 | 0.51 |