Rei attends Nagi Gakuen which is well-known for strange happenings. Since he was small, he has been able to sense spirits. One day, he met a mysterious girl at the abandoned old school building and many strange things kept happening afterwards. Deemed as the main culprit, he is invited to the 4K club (kagaku de wa kaimei dekinai kaii genshou o kenkyuu suru kurabu – club to investigate strange phenomena which cannot be explained by science) by club leader Otoha, but he doesn’t want anything to do with it. [From Hau~ Omochikaeri!]
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| Name | Score | Importance | Weight |
|---|---|---|---|
| The Seven School Mysteries | 3.00 | 2.74 | 8.21 |
| Reverse Trap Heroine | 2.00 | 2.41 | 4.81 |
| Kitsune Heroine | 1.50 | 2.32 | 3.48 |
| Miko Heroine | 2.00 | 1.72 | 3.44 |
| Heroine with Small Breasts (Non-Loli) | 2.00 | 1.71 | 3.42 |
| More Than Seven Heroines | 1.50 | 1.65 | 2.47 |
| Nameable Protagonist | 2.00 | 0.91 | 1.82 |
| Loli Heroine | 1.50 | 1.20 | 1.79 |
| High School Student Heroine | 2.00 | 0.85 | 1.70 |
| Heroine with Big Breasts | 2.00 | 0.84 | 1.68 |
| Defloration | 2.00 | 0.77 | 1.53 |
| Multiple Endings | 2.00 | 0.67 | 1.34 |
| Group Sex of One Male and Several Females | 1.00 | 0.91 | 0.91 |
| Male Protagonist | 2.00 | 0.30 | 0.61 |
| ADV | 2.00 | 0.15 | 0.29 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Ghost Role | 10 | 2.31 | 5.54 |
| Shimapan Clothes | 9 | 2.14 | 4.93 |
| School Extraordinary Club Member Role | 3 | 2.63 | 3.64 |
| Group Sex Engages in (Sexual) | 5 | 1.55 | 2.77 |
| Yamato Nadeshiko Role | 3 | 1.99 | 2.76 |
| Khakkhara Items | 1 | 3.68 | 2.55 |
| Mature Personality | 3 | 1.81 | 2.51 |
| Eye Covering Hair | 3 | 1.80 | 2.50 |
| Skeleton Role | 1 | 3.51 | 2.43 |
| Mischievous Personality | 3 | 1.72 | 2.38 |
| Small Breast Sizes Body | 2 | 2.06 | 2.26 |
| Onmyouji Role | 1 | 3.09 | 2.14 |
| Ara Ara Personality | 1 | 3.00 | 2.08 |
| Pointed Hat Clothes | 1 | 2.98 | 2.07 |
| Warawa Personality | 1 | 2.97 | 2.06 |
| Headscarf Clothes | 1 | 2.96 | 2.05 |
| Based on a Real Person Role | 2 | 1.84 | 2.02 |
| Off-The-Shoulder Kimono Clothes | 1 | 2.90 | 2.01 |
| Dormitory Manager Role | 1 | 2.86 | 1.99 |
| Ponytail Hair | 5 | 1.10 | 1.97 |
| Broom Items | 1 | 2.84 | 1.97 |
| Smoking Pipe Items | 1 | 2.81 | 1.95 |
| Furisode Clothes | 1 | 2.77 | 1.92 |
| Tsurime Eyes | 3 | 1.38 | 1.92 |
| Reverse-trap Body | 1 | 2.74 | 1.90 |
| Sport Bloomers Clothes | 2 | 1.72 | 1.89 |
| Violet Eyes | 5 | 1.05 | 1.88 |
| Virgin Sex Engages in (Sexual) | 8 | 0.85 | 1.88 |
| Beanie Clothes | 1 | 2.70 | 1.87 |
| Ane Act Role | 1 | 2.70 | 1.87 |
| Mysterious Personality | 2 | 1.69 | 1.86 |
| Ribbon Hair Accessory Clothes | 2 | 1.66 | 1.83 |
| Fox Role | 1 | 2.61 | 1.81 |
| Mini-dress Clothes | 2 | 1.64 | 1.80 |
| Small Breasts Body | 2 | 1.63 | 1.79 |
| Patterned Thigh-high Stockings Clothes | 1 | 2.57 | 1.78 |
| Shy Personality | 2 | 1.62 | 1.78 |
| Hair Loopies Hair | 1 | 2.53 | 1.76 |
| New Type School Swimsuit Clothes | 1 | 2.53 | 1.75 |
| Hand Fan Items | 1 | 2.50 | 1.73 |
| Kanzashi Clothes | 1 | 2.50 | 1.73 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.72 |
| Peaked Cap Clothes | 1 | 2.47 | 1.71 |
| Trench Coat Clothes | 1 | 2.46 | 1.71 |
| Refined Personality | 2 | 1.54 | 1.70 |
| Habit Clothes | 1 | 2.40 | 1.67 |
| Ribbon Hair Tie Clothes | 3 | 1.20 | 1.66 |
| Cross Design Clothes | 1 | 2.37 | 1.64 |
| Gakuran Clothes | 1 | 2.33 | 1.62 |
| School Swimsuit Clothes | 1 | 2.32 | 1.61 |
| Tracksuit Clothes | 1 | 2.31 | 1.60 |
| Religious Personality | 1 | 2.29 | 1.59 |
| Nightgown Clothes | 1 | 2.27 | 1.57 |
| Pantyhose Clothes | 2 | 1.43 | 1.57 |
| Trap Body | 1 | 2.23 | 1.55 |
| Attempted Homicide Subject of | 1 | 2.21 | 1.53 |
| Blunt Bangs Hair | 2 | 1.39 | 1.53 |
| Nature Lover Personality | 1 | 2.19 | 1.52 |
| Kid Body | 2 | 1.38 | 1.51 |
| Slit Pupils Eyes | 1 | 2.17 | 1.50 |
| Bell (accessory) Clothes | 1 | 2.16 | 1.50 |
| Boobs on Glass Subject of (Sexual) | 1 | 2.16 | 1.50 |
| Hakama Clothes | 1 | 2.16 | 1.50 |
| Tail Body | 1 | 2.15 | 1.49 |
| Sundress Clothes | 1 | 2.14 | 1.49 |
| Book Items | 1 | 2.12 | 1.47 |
| Pink Hair | 2 | 1.34 | 1.47 |
| White Hair | 2 | 1.33 | 1.47 |
| Waist Length+ Hair | 5 | 0.82 | 1.46 |
| Opposite Gender Voiced Personality | 1 | 2.11 | 1.46 |
| Mask Clothes | 1 | 2.10 | 1.46 |
| Insightful Personality | 1 | 2.10 | 1.45 |
| Miko Role | 1 | 2.09 | 1.45 |
| Black Hair | 5 | 0.80 | 1.44 |
| Cross-dressing Engages in | 1 | 2.07 | 1.44 |
| Curtained Hair | 2 | 1.30 | 1.43 |
| Cross Necklace Clothes | 1 | 2.05 | 1.42 |
| Lonely Role | 1 | 2.05 | 1.42 |
| Docile Personality | 1 | 2.05 | 1.42 |
| Cloak Clothes | 1 | 2.04 | 1.42 |
| Based on a Fictional Character Role | 1 | 2.04 | 1.41 |
| Emotional Personality | 1 | 2.01 | 1.39 |
| Beret Clothes | 1 | 2.00 | 1.39 |
| Secretive Personality | 1 | 2.00 | 1.38 |
| School Uniform Clothes | 5 | 0.77 | 1.37 |
| Teen Body | 8 | 0.62 | 1.37 |
| Sharp-tongued Personality | 1 | 1.97 | 1.37 |
| Sidehair Hair | 3 | 0.98 | 1.36 |
| Miko's Dress Clothes | 1 | 1.95 | 1.35 |
| Taciturn Personality | 1 | 1.95 | 1.35 |
| Clumsy Personality | 1 | 1.94 | 1.34 |
| Antenna Hair | 1 | 1.94 | 1.34 |
| Mutual Masturbation Engages in (Sexual) | 1 | 1.94 | 1.34 |
| Unusual Hair Ornaments Clothes | 1 | 1.89 | 1.31 |
| Fang Body | 1 | 1.88 | 1.30 |
| Twin Braids Hair | 1 | 1.87 | 1.30 |
| Cardigan Clothes | 1 | 1.87 | 1.29 |
| Timid Personality | 1 | 1.86 | 1.29 |
| Twin Sister Role | 1 | 1.86 | 1.29 |
| Yukata Clothes | 1 | 1.86 | 1.29 |
| Hat Clothes | 1 | 1.83 | 1.27 |
| String Ribbon Tie Clothes | 1 | 1.82 | 1.26 |
| Blond Hair | 3 | 0.89 | 1.23 |
| Hair Flower Clothes | 1 | 1.77 | 1.23 |
| Necktie Clothes | 2 | 1.12 | 1.23 |
| Kemonomimi Body | 1 | 1.77 | 1.23 |
| Tareme Eyes | 2 | 1.11 | 1.22 |
| Pajamas Clothes | 1 | 1.75 | 1.21 |
| Short Shorts Clothes | 1 | 1.74 | 1.20 |
| High School Student Role | 3 | 0.86 | 1.20 |
| Cape Clothes | 1 | 1.72 | 1.19 |
| Arrogant Personality | 1 | 1.70 | 1.18 |
| Naive Personality | 1 | 1.69 | 1.17 |
| Shorts Clothes | 1 | 1.68 | 1.16 |
| Collar Clothes | 1 | 1.68 | 1.16 |
| Garnet Eyes | 1 | 1.67 | 1.16 |
| Protective Personality | 1 | 1.66 | 1.15 |
| Popular Role | 1 | 1.64 | 1.14 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Kind Personality | 2 | 1.02 | 1.12 |
| Slim Body | 6 | 0.57 | 1.12 |
| Blue Eyes | 3 | 0.81 | 1.12 |
| Grey Eyes | 1 | 1.60 | 1.11 |
| Kimono Clothes | 1 | 1.57 | 1.09 |
| Mole Body | 1 | 1.55 | 1.08 |
| Green Hair | 1 | 1.49 | 1.03 |
| Medium Breasts Body | 1 | 1.48 | 1.03 |
| Sailor School Uniform Clothes | 1 | 1.48 | 1.02 |
| Pissing Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Shoulder-length Hair | 2 | 0.92 | 1.01 |
| Black Eyes | 1 | 1.42 | 0.98 |
| Jacket Clothes | 1 | 1.41 | 0.98 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Hairpin Clothes | 1 | 1.41 | 0.97 |
| Masturbation Engages in (Sexual) | 1 | 1.41 | 0.97 |
| Hair Tie Clothes | 1 | 1.40 | 0.97 |
| Hosome Eyes | 1 | 1.37 | 0.95 |
| Wavy Hair | 1 | 1.35 | 0.94 |
| Skirt Clothes | 1 | 1.34 | 0.93 |
| Ahoge Hair | 1 | 1.33 | 0.92 |
| Red Hair | 1 | 1.32 | 0.92 |
| Belt Clothes | 1 | 1.26 | 0.88 |
| Childhood Friend Role | 1 | 1.26 | 0.87 |
| Dress Clothes | 1 | 1.26 | 0.87 |
| Parted in Middle Hair | 1 | 1.24 | 0.86 |
| Watashi Personality | 1 | 1.24 | 0.86 |
| Classmate Role | 1 | 1.23 | 0.85 |
| Friendly Personality | 1 | 1.21 | 0.84 |
| Red Eyes | 1 | 1.20 | 0.83 |
| Blue Hair | 1 | 1.20 | 0.83 |
| Young-adult Body | 2 | 0.75 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Twin Tails Hair | 1 | 1.14 | 0.79 |
| Big Breasts Body | 1 | 1.10 | 0.76 |
| Pale Body | 7 | 0.37 | 0.76 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Thigh-high Stockings Clothes | 1 | 1.05 | 0.73 |
| Parted to Side Hair | 1 | 1.04 | 0.72 |
| Amber Eyes | 1 | 1.03 | 0.72 |
| Spiky Bangs Hair | 1 | 0.99 | 0.69 |
| Straight Hair | 1 | 0.94 | 0.65 |
| Brown Eyes | 1 | 0.90 | 0.62 |
| Brown Hair | 1 | 0.69 | 0.48 |
| Short Hair | 1 | 0.61 | 0.42 |
| 3 | 0.00 | 0.00 |