Yamato looks like a typical guy, but being surrounded by one older sister and two little sisters, he greatly loves his sisters a lot. One day, his older sister Azusa informed that he will be transferring to a girl's boarding school as part of a test case for coeducation initiative. He also has to help the school board chairman's daughter Yurika with various duties. Reluctantly he heads to school and waiting there was his little sisters Aoi and Akane who lived apart from him, as well as his childhood friend Ena who’s like family to him. His little sisters shower him with pent-up love, having not seen their older brother for so long. [From Hau~ Omochikaeri!]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Brother Complex Personality | 3 | 2.06 | 2.86 |
| Carefree Personality | 4 | 1.69 | 2.71 |
| One Piece Swimsuit Clothes | 3 | 1.92 | 2.66 |
| Sister Complex Personality | 2 | 2.37 | 2.61 |
| Bikini Clothes | 5 | 1.45 | 2.60 |
| Group Sex Engages in (Sexual) | 4 | 1.55 | 2.50 |
| Rubber Band With Beads Clothes | 2 | 2.24 | 2.46 |
| Pajamas Clothes | 3 | 1.75 | 2.42 |
| Incest Engages in (Sexual) | 4 | 1.47 | 2.36 |
| Popular Role | 3 | 1.64 | 2.27 |
| Beret Clothes | 2 | 2.00 | 2.20 |
| Full Sister Role | 3 | 1.56 | 2.16 |
| Schoolmate Role | 2 | 1.91 | 2.10 |
| Atashi Personality | 2 | 1.89 | 2.08 |
| Ballerina Shoes Clothes | 1 | 2.92 | 2.03 |
| Middle Brother Role | 1 | 2.91 | 2.02 |
| School Newspaper Club Member Role | 1 | 2.89 | 2.00 |
| Watashi Personality | 4 | 1.24 | 1.99 |
| Dormitory Manager Role | 1 | 2.87 | 1.99 |
| Mischievous Personality | 2 | 1.72 | 1.88 |
| Unpopular Role | 1 | 2.71 | 1.88 |
| Sports Shoes Clothes | 2 | 1.71 | 1.88 |
| Ribbon Hair Accessory Clothes | 2 | 1.67 | 1.83 |
| Braided Headband Hair | 1 | 2.61 | 1.81 |
| High School Student Role | 7 | 0.86 | 1.80 |
| Camera Items | 1 | 2.54 | 1.76 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.72 |
| School Nurse Role | 1 | 2.47 | 1.71 |
| Ankle-Strap Shoes Clothes | 1 | 2.45 | 1.70 |
| Bridal Carry Subject of | 1 | 2.41 | 1.67 |
| Maid's Dress Clothes | 2 | 1.52 | 1.66 |
| Ribbon Hair Tie Clothes | 3 | 1.20 | 1.66 |
| Kind Personality | 4 | 1.02 | 1.64 |
| Obsessive Personality | 1 | 2.36 | 1.64 |
| Jitome Eyes | 1 | 2.34 | 1.63 |
| Loud Personality | 1 | 2.32 | 1.61 |
| Flower Clothes | 1 | 2.30 | 1.60 |
| Swimsuit Clothes | 1 | 2.30 | 1.59 |
| Younger Sister Role | 2 | 1.45 | 1.59 |
| Watakushi Personality | 1 | 2.26 | 1.57 |
| Athletics Engages in | 1 | 2.25 | 1.56 |
| Hairpin Clothes | 2 | 1.41 | 1.55 |
| Not a Virgin Role | 2 | 1.40 | 1.53 |
| Chinese Dress Clothes | 1 | 2.20 | 1.53 |
| Knee-high Socks Clothes | 2 | 1.39 | 1.53 |
| Lesbian Sex Engages in (Sexual) | 2 | 1.38 | 1.51 |
| Charismatic Personality | 1 | 2.16 | 1.50 |
| School Uniform Clothes | 6 | 0.77 | 1.49 |
| Shoulder-length Hair | 4 | 0.92 | 1.48 |
| Mary Jane Clothes | 1 | 2.13 | 1.47 |
| Sports Uniform Clothes | 1 | 2.11 | 1.46 |
| Lace Lingerie Clothes | 1 | 2.10 | 1.45 |
| Honor Student Role | 1 | 2.09 | 1.45 |
| Student Council President Role | 1 | 2.08 | 1.44 |
| Tiny Braid Hair | 1 | 2.08 | 1.44 |
| Short (obsolete) Body | 1 | 2.07 | 1.43 |
| Small Breast Sizes Body | 1 | 2.06 | 1.43 |
| Curtained Hair | 2 | 1.30 | 1.43 |
| Docile Personality | 1 | 2.04 | 1.42 |
| Yamato Nadeshiko Role | 1 | 1.99 | 1.38 |
| Virgin Sex Engages in (Sexual) | 4 | 0.85 | 1.38 |
| Parted in Middle Hair | 2 | 1.24 | 1.37 |
| Sidehair Hair | 3 | 0.98 | 1.36 |
| Classmate Role | 2 | 1.23 | 1.36 |
| Ojousama Role | 1 | 1.95 | 1.35 |
| Full Brother Role | 1 | 1.95 | 1.35 |
| Airhead Personality | 1 | 1.92 | 1.33 |
| Bisexual Role | 1 | 1.91 | 1.33 |
| Violet Hair | 2 | 1.20 | 1.32 |
| Younger Brother Role | 1 | 1.90 | 1.32 |
| Friend Role | 2 | 1.19 | 1.31 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.31 |
| Cousin Role | 1 | 1.87 | 1.30 |
| Twin Braids Hair | 1 | 1.87 | 1.30 |
| Blue Eyes | 4 | 0.81 | 1.30 |
| Timid Personality | 1 | 1.86 | 1.29 |
| Maid Role | 1 | 1.84 | 1.27 |
| Homosexual Role | 1 | 1.83 | 1.27 |
| Younger Appearance Body | 1 | 1.82 | 1.26 |
| Slim Body | 8 | 0.57 | 1.26 |
| Lab Coat Clothes | 1 | 1.79 | 1.24 |
| Braid Hair | 1 | 1.78 | 1.24 |
| Boku Personality | 1 | 1.77 | 1.23 |
| Necktie Clothes | 2 | 1.12 | 1.23 |
| Tareme Eyes | 2 | 1.11 | 1.22 |
| Side Tail Hair | 1 | 1.75 | 1.22 |
| Teen Body | 6 | 0.62 | 1.21 |
| Older Brother Role | 1 | 1.73 | 1.20 |
| Stoic Personality | 1 | 1.70 | 1.18 |
| Hoodie Clothes | 1 | 1.69 | 1.17 |
| Naive Personality | 1 | 1.68 | 1.17 |
| Loyal Personality | 1 | 1.68 | 1.17 |
| Shorts Clothes | 1 | 1.68 | 1.16 |
| Thigh-high Stockings Clothes | 2 | 1.05 | 1.15 |
| Parted to Side Hair | 2 | 1.04 | 1.14 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Sweater Clothes | 1 | 1.63 | 1.13 |
| Senpai Role | 1 | 1.62 | 1.12 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Teasing Subject of | 1 | 1.61 | 1.12 |
| Drinking Engages in | 1 | 1.59 | 1.11 |
| Apron Clothes | 1 | 1.59 | 1.10 |
| Spiky Bangs Hair | 2 | 0.99 | 1.09 |
| Kimono Clothes | 1 | 1.57 | 1.09 |
| Older Sister Role | 1 | 1.56 | 1.08 |
| Cunnilingus Engages in (Sexual) | 1 | 1.55 | 1.07 |
| Hard Worker Personality | 1 | 1.53 | 1.06 |
| Energetic Personality | 1 | 1.52 | 1.05 |
| Cowgirl Subject of (Sexual) | 2 | 0.95 | 1.05 |
| Straight Hair | 2 | 0.93 | 1.03 |
| Serious Personality | 1 | 1.48 | 1.03 |
| Pissing Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Doggy Style Subject of (Sexual) | 2 | 0.92 | 1.02 |
| Blouse Clothes | 1 | 1.46 | 1.01 |
| Headband Clothes | 1 | 1.45 | 1.01 |
| Twin Blowjob Engages in (Sexual) | 1 | 1.45 | 1.00 |
| Pantyhose Clothes | 1 | 1.43 | 0.99 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Blond Hair | 2 | 0.89 | 0.98 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Blunt Bangs Hair | 1 | 1.39 | 0.97 |
| Tsurime Eyes | 1 | 1.38 | 0.96 |
| Kid Body | 1 | 1.38 | 0.95 |
| Brown Hair | 3 | 0.69 | 0.95 |
| Wavy Hair | 1 | 1.35 | 0.94 |
| Pink Hair | 1 | 1.34 | 0.93 |
| White Hair | 1 | 1.33 | 0.92 |
| Waist Length+ Hair | 2 | 0.82 | 0.90 |
| Childhood Friend Role | 1 | 1.26 | 0.87 |
| Dress Clothes | 1 | 1.26 | 0.87 |
| Sex in Public Places Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Friendly Personality | 1 | 1.21 | 0.84 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Outdoor Sex Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.80 |
| Twin Tails Hair | 1 | 1.14 | 0.79 |
| Pale Body | 7 | 0.37 | 0.76 |
| Violet Eyes | 1 | 1.05 | 0.73 |
| Amber Eyes | 1 | 1.03 | 0.72 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |
| Young-adult Body | 1 | 0.75 | 0.52 |
| Short Hair | 1 | 0.61 | 0.42 |
| 5 | 0.00 | 0.00 |