Seseri, Futaba, Chiko and Yuu are four very close childhood friends who share everything amongst themselves. Kazuki has been with them since they were young and loved them all like they were his younger sisters (including his real younger sister Seseri). One day, they wondered who’s big brother (Onii-chan) he is. Of course, everyone’s big brother! As such, he’s free to return to any of their homes and spend the night under the same roof as them. Wouldn’t you like to experience all these various daily lives with your younger sisters? [From Hau~ Omochikaeri!]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Group (4+) Blowjob Engages in (Sexual) | 4 | 2.66 | 4.28 |
| Imouto Act Role | 3 | 2.60 | 3.61 |
| Twin Footjob Engages in (Sexual) | 2 | 2.75 | 3.02 |
| Elementary School Student Role | 2 | 2.52 | 2.76 |
| Middle School Student Role | 2 | 2.28 | 2.50 |
| Twin Handjob Engages in (Sexual) | 2 | 2.22 | 2.44 |
| Tribadism on Penis Engages in (Sexual) | 2 | 2.08 | 2.29 |
| Reverse Cowgirl Subject of (Sexual) | 3 | 1.64 | 2.27 |
| Tickle Torture Subject of (Sexual) | 1 | 3.22 | 2.24 |
| Twin Sister Role | 2 | 1.85 | 2.04 |
| Reverse Spitroast Subject of (Sexual) | 2 | 1.85 | 2.03 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 4 | 1.19 | 1.92 |
| Naizuri Engages in (Sexual) | 1 | 2.56 | 1.77 |
| Childhood Friend Role | 3 | 1.25 | 1.73 |
| Tsukkomi Role | 1 | 2.49 | 1.73 |
| Braided Crown Hair | 1 | 2.37 | 1.64 |
| Seventh Posture Subject of (Sexual) | 2 | 1.45 | 1.60 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.44 | 1.59 |
| Rubber Band With Beads Clothes | 1 | 2.21 | 1.53 |
| Masturbation Engages in (Sexual) | 2 | 1.37 | 1.51 |
| Knee-high Socks Clothes | 2 | 1.37 | 1.51 |
| Kid Body | 2 | 1.36 | 1.50 |
| Boobs on Glass Subject of (Sexual) | 1 | 2.14 | 1.49 |
| Tiny Braid Hair | 1 | 2.07 | 1.43 |
| Brother Complex Personality | 1 | 2.06 | 1.43 |
| Yamato Nadeshiko Role | 1 | 2.06 | 1.43 |
| Virgin Sex Engages in (Sexual) | 4 | 0.84 | 1.36 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.30 |
| Butterfly Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Hair Ribbon Clothes | 1 | 1.77 | 1.23 |
| Pajamas Clothes | 1 | 1.75 | 1.21 |
| Side Tail Hair | 1 | 1.74 | 1.21 |
| School Uniform Clothes | 4 | 0.74 | 1.18 |
| Sitting Sex Subject of (Sexual) | 2 | 1.06 | 1.16 |
| Full Sister Role | 1 | 1.57 | 1.09 |
| Orange Hair | 1 | 1.51 | 1.04 |
| Incest Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Brown Eyes | 2 | 0.90 | 0.99 |
| Pantyhose Clothes | 1 | 1.42 | 0.98 |
| Slim Body | 4 | 0.57 | 0.92 |
| Waist Length+ Hair | 2 | 0.80 | 0.88 |
| Sixty-nine Engages in (Sexual) | 1 | 1.25 | 0.87 |
| Blowjob Engages in (Sexual) | 2 | 0.76 | 0.84 |
| Blue Hair | 1 | 1.19 | 0.82 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.82 |
| Twin Tails Hair | 1 | 1.12 | 0.78 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Thigh-high Stockings Clothes | 1 | 1.03 | 0.72 |
| Amber Eyes | 1 | 1.02 | 0.71 |
| Green Eyes | 1 | 1.01 | 0.70 |
| Teen Body | 2 | 0.61 | 0.67 |
| Shoulder-length Hair | 1 | 0.91 | 0.63 |
| Pale Body | 4 | 0.37 | 0.60 |
| Black Hair | 1 | 0.81 | 0.56 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Short Hair | 1 | 0.61 | 0.42 |