Kou returns to Japan after a few years overseas to attend school and reunite with his older sister Kaoruko and osananajimi Ena. They are overjoyed that he is back together with them. Little did he know that they are quite well-known at school: Kaoruko as the Jeanne d’Arc Scientist and Ena as the Emerald-Eyed Witch. There’s a huge commotion now with him around and the student council leader Sayaka declares that she will disband any club that doesn’t have anything to show by the end of the month. This puts Kaoruko’s science club and Ena’s astro-divination club in danger. Of course, they come and ask Kou to help them! [From Hau~ Omochikaeri!]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| School Science Club Member Role | 1 | 2.94 | 2.04 |
| Childhood Friend Role | 3 | 1.25 | 1.73 |
| Claret Hair | 1 | 2.15 | 1.49 |
| Brown Eyes | 4 | 0.90 | 1.45 |
| Brother Complex Personality | 1 | 2.06 | 1.43 |
| Student Council President Role | 1 | 2.06 | 1.43 |
| Transfer Student Role | 1 | 2.01 | 1.39 |
| Sixty-nine Engages in (Sexual) | 2 | 1.25 | 1.38 |
| Full Brother Role | 1 | 1.95 | 1.35 |
| High School Student Role | 4 | 0.84 | 1.35 |
| One Piece Swimsuit Clothes | 1 | 1.91 | 1.33 |
| Younger Brother Role | 1 | 1.90 | 1.32 |
| Fang Body | 1 | 1.88 | 1.30 |
| Blazer Clothes | 1 | 1.83 | 1.27 |
| Tall (obsolete) Body | 1 | 1.82 | 1.26 |
| Detached Sleeves Clothes | 1 | 1.81 | 1.25 |
| Lab Coat Clothes | 1 | 1.79 | 1.24 |
| Deredere Personality | 1 | 1.75 | 1.21 |
| Ponytail Hair | 2 | 1.10 | 1.20 |
| Glasses Clothes | 2 | 1.08 | 1.19 |
| School Uniform Clothes | 4 | 0.74 | 1.18 |
| Miniskirt Clothes | 2 | 1.07 | 1.17 |
| Sitting Sex Subject of (Sexual) | 2 | 1.05 | 1.16 |
| Thigh-high Stockings Clothes | 2 | 1.03 | 1.14 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.64 | 1.14 |
| Sweater Clothes | 1 | 1.64 | 1.14 |
| Mole Body | 1 | 1.62 | 1.12 |
| Older Sister Role | 1 | 1.55 | 1.08 |
| Teacher Role | 1 | 1.55 | 1.07 |
| Slim Body | 5 | 0.57 | 1.02 |
| Seventh Posture Subject of (Sexual) | 1 | 1.45 | 1.01 |
| Twin Blowjob Engages in (Sexual) | 1 | 1.44 | 1.00 |
| Black Eyes | 1 | 1.43 | 0.99 |
| Teen Body | 4 | 0.61 | 0.99 |
| Pantyhose Clothes | 1 | 1.42 | 0.98 |
| Hairpin Clothes | 1 | 1.39 | 0.97 |
| Masturbation Engages in (Sexual) | 1 | 1.37 | 0.95 |
| Knee-high Socks Clothes | 1 | 1.37 | 0.95 |
| Wavy Hair | 1 | 1.36 | 0.94 |
| Virgin Sex Engages in (Sexual) | 2 | 0.84 | 0.93 |
| Skirt Clothes | 1 | 1.33 | 0.92 |
| Black Hair | 2 | 0.81 | 0.89 |
| Waist Length+ Hair | 2 | 0.80 | 0.88 |
| Trousers Clothes | 1 | 1.21 | 0.84 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Cunnilingus Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Twin Tails Hair | 1 | 1.12 | 0.78 |
| Brown Hair | 2 | 0.68 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Parted to Side Hair | 1 | 1.07 | 0.74 |
| Boobjob Engages in (Sexual) | 1 | 1.06 | 0.74 |
| Kind Personality | 1 | 1.04 | 0.72 |
| Sidehair Hair | 1 | 0.98 | 0.68 |
| Short Hair | 2 | 0.61 | 0.67 |
| Pale Body | 5 | 0.37 | 0.67 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Shoulder-length Hair | 1 | 0.91 | 0.63 |
| Blond Hair | 1 | 0.88 | 0.61 |
| Blue Eyes | 1 | 0.80 | 0.55 |
| Young-adult Body | 1 | 0.77 | 0.53 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |
| Long Hair | 1 | 0.75 | 0.52 |
| 4 | 0.00 | 0.00 |