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 | 2.85 |
| Carefree Personality | 4 | 1.67 | 2.69 |
| One Piece Swimsuit Clothes | 3 | 1.91 | 2.65 |
| Bikini Clothes | 5 | 1.46 | 2.62 |
| Sister Complex Personality | 2 | 2.38 | 2.61 |
| Rubber Band With Beads Clothes | 2 | 2.21 | 2.43 |
| Pajamas Clothes | 3 | 1.75 | 2.42 |
| Incest Engages in (Sexual) | 4 | 1.47 | 2.37 |
| Group Sex Engages in (Sexual) | 4 | 1.45 | 2.33 |
| Popular Role | 3 | 1.64 | 2.27 |
| Full Sister Role | 3 | 1.57 | 2.18 |
| Beret Clothes | 2 | 1.98 | 2.17 |
| Atashi Personality | 2 | 1.91 | 2.10 |
| Schoolmate Role | 2 | 1.87 | 2.06 |
| Watashi Personality | 4 | 1.26 | 2.03 |
| Middle Brother Role | 1 | 2.94 | 2.03 |
| Ballerina Shoes Clothes | 1 | 2.90 | 2.01 |
| School Newspaper Club Member Role | 1 | 2.89 | 2.00 |
| Short (obsolete) Body | 2 | 1.81 | 1.99 |
| Dormitory Manager Role | 1 | 2.86 | 1.98 |
| Mischievous Personality | 2 | 1.74 | 1.91 |
| Sports Shoes Clothes | 2 | 1.73 | 1.90 |
| Unpopular Role | 1 | 2.71 | 1.88 |
| Ribbon Hair Accessory Clothes | 2 | 1.64 | 1.80 |
| Braided Headband Hair | 1 | 2.59 | 1.80 |
| Camera Items | 1 | 2.55 | 1.76 |
| High School Student Role | 7 | 0.84 | 1.75 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.71 |
| School Nurse Role | 1 | 2.46 | 1.70 |
| Bridal Carry Subject of | 1 | 2.44 | 1.69 |
| Ankle-Strap Shoes Clothes | 1 | 2.44 | 1.69 |
| Obsessive Personality | 1 | 2.42 | 1.68 |
| Kind Personality | 4 | 1.04 | 1.67 |
| Maid's Dress Clothes | 2 | 1.51 | 1.66 |
| Ribbon Hair Tie Clothes | 3 | 1.18 | 1.64 |
| Jitome Eyes | 1 | 2.33 | 1.62 |
| Loud Personality | 1 | 2.30 | 1.60 |
| Not a Virgin Role | 2 | 1.45 | 1.59 |
| Flower Clothes | 1 | 2.29 | 1.58 |
| Younger Sister Role | 2 | 1.44 | 1.58 |
| Watakushi Personality | 1 | 2.26 | 1.57 |
| Athletics Engages in | 1 | 2.26 | 1.56 |
| Swimsuit Clothes | 1 | 2.25 | 1.56 |
| Hairpin Clothes | 2 | 1.39 | 1.53 |
| Chinese Dress Clothes | 1 | 2.20 | 1.52 |
| Lesbian Sex Engages in (Sexual) | 2 | 1.38 | 1.52 |
| Charismatic Personality | 1 | 2.18 | 1.51 |
| Knee-high Socks Clothes | 2 | 1.37 | 1.51 |
| Mary Jane Clothes | 1 | 2.12 | 1.47 |
| Shoulder-length Hair | 4 | 0.91 | 1.47 |
| Lace Lingerie Clothes | 1 | 2.09 | 1.45 |
| Honor Student Role | 1 | 2.08 | 1.44 |
| Sports Uniform Clothes | 1 | 2.08 | 1.44 |
| Tiny Braid Hair | 1 | 2.07 | 1.43 |
| School Uniform Clothes | 6 | 0.74 | 1.43 |
| Docile Personality | 1 | 2.06 | 1.43 |
| Student Council President Role | 1 | 2.06 | 1.43 |
| Yamato Nadeshiko Role | 1 | 2.06 | 1.43 |
| Curtained Hair | 2 | 1.30 | 1.42 |
| Bisexual Role | 1 | 1.99 | 1.38 |
| Parted in Middle Hair | 2 | 1.25 | 1.38 |
| Virgin Sex Engages in (Sexual) | 4 | 0.84 | 1.36 |
| Ojousama Role | 1 | 1.96 | 1.36 |
| Small Breast Sizes Body | 1 | 1.96 | 1.36 |
| Full Brother Role | 1 | 1.95 | 1.35 |
| Sidehair Hair | 3 | 0.98 | 1.35 |
| Classmate Role | 2 | 1.23 | 1.35 |
| Friend Role | 2 | 1.21 | 1.33 |
| Airhead Personality | 1 | 1.91 | 1.33 |
| Younger Brother Role | 1 | 1.90 | 1.32 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.30 |
| Cousin Role | 1 | 1.88 | 1.30 |
| Timid Personality | 1 | 1.87 | 1.30 |
| Blue Eyes | 4 | 0.80 | 1.29 |
| Twin Braids Hair | 1 | 1.85 | 1.29 |
| Maid Role | 1 | 1.85 | 1.28 |
| Homosexual Role | 1 | 1.84 | 1.27 |
| Younger Appearance Body | 1 | 1.81 | 1.26 |
| Slim Body | 8 | 0.57 | 1.26 |
| Lab Coat Clothes | 1 | 1.79 | 1.24 |
| Boku Personality | 1 | 1.79 | 1.24 |
| Braid Hair | 1 | 1.78 | 1.23 |
| Necktie Clothes | 2 | 1.11 | 1.22 |
| Side Tail Hair | 1 | 1.74 | 1.21 |
| Tareme Eyes | 2 | 1.09 | 1.20 |
| Older Brother Role | 1 | 1.72 | 1.20 |
| Teen Body | 6 | 0.61 | 1.19 |
| Hoodie Clothes | 1 | 1.71 | 1.19 |
| Naive Personality | 1 | 1.71 | 1.18 |
| Stoic Personality | 1 | 1.70 | 1.18 |
| Loyal Personality | 1 | 1.70 | 1.18 |
| Parted to Side Hair | 2 | 1.07 | 1.17 |
| Teasing Subject of | 1 | 1.68 | 1.16 |
| Shorts Clothes | 1 | 1.67 | 1.16 |
| Relaxed Personality | 1 | 1.64 | 1.14 |
| Thigh-high Stockings Clothes | 2 | 1.03 | 1.14 |
| Sweater Clothes | 1 | 1.64 | 1.14 |
| Drinking Engages in | 1 | 1.64 | 1.14 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Senpai Role | 1 | 1.61 | 1.11 |
| Spiky Bangs Hair | 2 | 1.01 | 1.11 |
| Apron Clothes | 1 | 1.58 | 1.09 |
| Cunnilingus Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Older Sister Role | 1 | 1.55 | 1.08 |
| Kimono Clothes | 1 | 1.55 | 1.08 |
| Hard Worker Personality | 1 | 1.54 | 1.07 |
| Energetic Personality | 1 | 1.53 | 1.06 |
| Straight Hair | 2 | 0.96 | 1.05 |
| Cowgirl Subject of (Sexual) | 2 | 0.95 | 1.05 |
| Serious Personality | 1 | 1.50 | 1.04 |
| Blouse Clothes | 1 | 1.48 | 1.03 |
| Doggy Style Subject of (Sexual) | 2 | 0.92 | 1.01 |
| Pissing Engages in (Sexual) | 1 | 1.46 | 1.01 |
| Twin Blowjob Engages in (Sexual) | 1 | 1.44 | 1.00 |
| Headband Clothes | 1 | 1.44 | 1.00 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Pantyhose Clothes | 1 | 1.42 | 0.98 |
| V Bangs Hair | 1 | 1.42 | 0.98 |
| Blond Hair | 2 | 0.88 | 0.97 |
| Blunt Bangs Hair | 1 | 1.40 | 0.97 |
| Tsurime Eyes | 1 | 1.38 | 0.95 |
| Kid Body | 1 | 1.36 | 0.94 |
| Brown Hair | 3 | 0.68 | 0.94 |
| Wavy Hair | 1 | 1.36 | 0.94 |
| White Hair | 1 | 1.34 | 0.93 |
| Pink Hair | 1 | 1.32 | 0.92 |
| Waist Length+ Hair | 2 | 0.80 | 0.88 |
| Sex in Public Places Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Childhood Friend Role | 1 | 1.25 | 0.87 |
| Dress Clothes | 1 | 1.24 | 0.86 |
| Friendly Personality | 1 | 1.23 | 0.85 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 1 | 1.19 | 0.83 |
| Violet Hair | 1 | 1.19 | 0.82 |
| Blue Hair | 1 | 1.19 | 0.82 |
| Cunnilingus Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Outdoor Sex Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Twin Tails Hair | 1 | 1.12 | 0.78 |
| Pale Body | 7 | 0.37 | 0.77 |
| Violet Eyes | 1 | 1.04 | 0.72 |
| Amber Eyes | 1 | 1.02 | 0.71 |
| Young-adult Body | 1 | 0.77 | 0.53 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |
| Short Hair | 1 | 0.61 | 0.42 |
| 5 | 0.00 | 0.00 |