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 | 2.75 | 8.25 |
| Reverse Trap Heroine | 2.00 | 2.39 | 4.79 |
| Kitsune Heroine | 1.50 | 2.32 | 3.48 |
| Heroine with Small Breasts (Non-Loli) | 2.00 | 1.71 | 3.42 |
| Miko Heroine | 2.00 | 1.71 | 3.42 |
| More Than Seven Heroines | 1.50 | 1.65 | 2.47 |
| Nameable Protagonist | 2.00 | 0.91 | 1.83 |
| Loli Heroine | 1.50 | 1.19 | 1.78 |
| Heroine with Big Breasts | 2.00 | 0.85 | 1.71 |
| High School Student Heroine | 2.00 | 0.85 | 1.70 |
| Defloration | 2.00 | 0.76 | 1.52 |
| Multiple Endings | 2.00 | 0.67 | 1.34 |
| Group Sex of One Male and Several Females | 1.00 | 0.92 | 0.92 |
| Male Protagonist | 2.00 | 0.30 | 0.61 |
| ADV | 2.00 | 0.15 | 0.29 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Ghost Role | 10 | 2.30 | 5.53 |
| Shimapan Clothes | 9 | 2.13 | 4.91 |
| School Extraordinary Club Member Role | 3 | 2.61 | 3.62 |
| Yamato Nadeshiko Role | 3 | 2.00 | 2.77 |
| Group Sex Engages in (Sexual) | 5 | 1.50 | 2.70 |
| Khakkhara Items | 1 | 3.66 | 2.54 |
| Mature Personality | 3 | 1.81 | 2.51 |
| Eye Covering Hair | 3 | 1.80 | 2.50 |
| Skeleton Role | 1 | 3.49 | 2.42 |
| Mischievous Personality | 3 | 1.73 | 2.39 |
| Small Breast Sizes Body | 2 | 1.99 | 2.19 |
| Onmyouji Role | 1 | 3.08 | 2.14 |
| Ara Ara Personality | 1 | 3.00 | 2.08 |
| Warawa Personality | 1 | 2.97 | 2.06 |
| Pointed Hat Clothes | 1 | 2.97 | 2.06 |
| Headscarf Clothes | 1 | 2.94 | 2.04 |
| Based on a Real Person Role | 2 | 1.83 | 2.01 |
| Off-The-Shoulder Kimono Clothes | 1 | 2.89 | 2.00 |
| Dormitory Manager Role | 1 | 2.86 | 1.98 |
| Broom Items | 1 | 2.84 | 1.97 |
| Ponytail Hair | 5 | 1.10 | 1.97 |
| Smoking Pipe Items | 1 | 2.80 | 1.94 |
| Furisode Clothes | 1 | 2.76 | 1.91 |
| Tsurime Eyes | 3 | 1.38 | 1.91 |
| Ane Act Role | 1 | 2.73 | 1.89 |
| Beanie Clothes | 1 | 2.72 | 1.89 |
| Reverse-trap Body | 1 | 2.72 | 1.89 |
| Sport Bloomers Clothes | 2 | 1.72 | 1.89 |
| Violet Eyes | 5 | 1.04 | 1.87 |
| Virgin Sex Engages in (Sexual) | 8 | 0.85 | 1.87 |
| Mysterious Personality | 2 | 1.69 | 1.85 |
| Small Breasts Body | 2 | 1.67 | 1.83 |
| Ribbon Hair Accessory Clothes | 2 | 1.65 | 1.82 |
| Fox Role | 1 | 2.60 | 1.80 |
| Mini-dress Clothes | 2 | 1.64 | 1.80 |
| Patterned Thigh-high Stockings Clothes | 1 | 2.58 | 1.79 |
| Shy Personality | 2 | 1.62 | 1.78 |
| Hair Loopies Hair | 1 | 2.53 | 1.75 |
| New Type School Swimsuit Clothes | 1 | 2.52 | 1.75 |
| Hand Fan Items | 1 | 2.49 | 1.73 |
| Kanzashi Clothes | 1 | 2.48 | 1.72 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.72 |
| Trench Coat Clothes | 1 | 2.46 | 1.71 |
| Peaked Cap Clothes | 1 | 2.45 | 1.70 |
| Refined Personality | 2 | 1.54 | 1.69 |
| Habit Clothes | 1 | 2.41 | 1.67 |
| Ribbon Hair Tie Clothes | 3 | 1.19 | 1.65 |
| Cross Design Clothes | 1 | 2.36 | 1.64 |
| Gakuran Clothes | 1 | 2.33 | 1.62 |
| Tracksuit Clothes | 1 | 2.32 | 1.61 |
| School Swimsuit Clothes | 1 | 2.30 | 1.60 |
| Religious Personality | 1 | 2.30 | 1.59 |
| Nightgown Clothes | 1 | 2.29 | 1.59 |
| Pantyhose Clothes | 2 | 1.42 | 1.56 |
| Attempted Homicide Subject of | 1 | 2.23 | 1.55 |
| Trap Body | 1 | 2.23 | 1.54 |
| Blunt Bangs Hair | 2 | 1.40 | 1.54 |
| Nature Lover Personality | 1 | 2.19 | 1.52 |
| Slit Pupils Eyes | 1 | 2.17 | 1.50 |
| Kid Body | 2 | 1.37 | 1.50 |
| Hakama Clothes | 1 | 2.16 | 1.50 |
| Bell (accessory) Clothes | 1 | 2.16 | 1.50 |
| Boobs on Glass Subject of (Sexual) | 1 | 2.15 | 1.49 |
| Tail Body | 1 | 2.15 | 1.49 |
| Sundress Clothes | 1 | 2.14 | 1.48 |
| Book Items | 1 | 2.12 | 1.47 |
| White Hair | 2 | 1.33 | 1.46 |
| Mask Clothes | 1 | 2.11 | 1.46 |
| Pink Hair | 2 | 1.33 | 1.46 |
| Insightful Personality | 1 | 2.10 | 1.45 |
| Opposite Gender Voiced Personality | 1 | 2.09 | 1.45 |
| Waist Length+ Hair | 5 | 0.81 | 1.45 |
| Miko Role | 1 | 2.08 | 1.44 |
| Black Hair | 5 | 0.81 | 1.44 |
| Cross-dressing Engages in | 1 | 2.06 | 1.43 |
| Curtained Hair | 2 | 1.30 | 1.43 |
| Lonely Role | 1 | 2.05 | 1.42 |
| Cross Necklace Clothes | 1 | 2.05 | 1.42 |
| Docile Personality | 1 | 2.04 | 1.42 |
| Cloak Clothes | 1 | 2.04 | 1.41 |
| Based on a Fictional Character Role | 1 | 2.04 | 1.41 |
| Emotional Personality | 1 | 2.02 | 1.40 |
| Secretive Personality | 1 | 2.00 | 1.39 |
| Beret Clothes | 1 | 1.99 | 1.38 |
| Sharp-tongued Personality | 1 | 1.97 | 1.37 |
| Teen Body | 8 | 0.62 | 1.36 |
| Sidehair Hair | 3 | 0.98 | 1.36 |
| Miko's Dress Clothes | 1 | 1.94 | 1.35 |
| School Uniform Clothes | 5 | 0.75 | 1.35 |
| Taciturn Personality | 1 | 1.94 | 1.35 |
| Mutual Masturbation Engages in (Sexual) | 1 | 1.94 | 1.34 |
| Clumsy Personality | 1 | 1.93 | 1.34 |
| Antenna Hair | 1 | 1.93 | 1.33 |
| Fang Body | 1 | 1.88 | 1.30 |
| Cardigan Clothes | 1 | 1.87 | 1.30 |
| Unusual Hair Ornaments Clothes | 1 | 1.87 | 1.30 |
| Twin Braids Hair | 1 | 1.86 | 1.29 |
| Timid Personality | 1 | 1.86 | 1.29 |
| Twin Sister Role | 1 | 1.86 | 1.29 |
| Yukata Clothes | 1 | 1.85 | 1.28 |
| Hat Clothes | 1 | 1.83 | 1.27 |
| String Ribbon Tie Clothes | 1 | 1.82 | 1.26 |
| Blond Hair | 3 | 0.89 | 1.23 |
| Short Shorts Clothes | 1 | 1.77 | 1.23 |
| Kemonomimi Body | 1 | 1.77 | 1.22 |
| Necktie Clothes | 2 | 1.11 | 1.22 |
| Hair Flower Clothes | 1 | 1.77 | 1.22 |
| Pajamas Clothes | 1 | 1.75 | 1.21 |
| Tareme Eyes | 2 | 1.10 | 1.21 |
| Cape Clothes | 1 | 1.71 | 1.19 |
| High School Student Role | 3 | 0.85 | 1.18 |
| Arrogant Personality | 1 | 1.70 | 1.18 |
| Naive Personality | 1 | 1.69 | 1.17 |
| Protective Personality | 1 | 1.68 | 1.16 |
| Shorts Clothes | 1 | 1.68 | 1.16 |
| Collar Clothes | 1 | 1.66 | 1.15 |
| Garnet Eyes | 1 | 1.66 | 1.15 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Popular Role | 1 | 1.63 | 1.13 |
| Kind Personality | 2 | 1.03 | 1.13 |
| Slim Body | 6 | 0.58 | 1.12 |
| Blue Eyes | 3 | 0.80 | 1.11 |
| Grey Eyes | 1 | 1.60 | 1.11 |
| Mole Body | 1 | 1.59 | 1.10 |
| Kimono Clothes | 1 | 1.56 | 1.08 |
| Medium Breasts Body | 1 | 1.52 | 1.05 |
| Sailor School Uniform Clothes | 1 | 1.48 | 1.03 |
| Green Hair | 1 | 1.48 | 1.02 |
| Pissing Engages in (Sexual) | 1 | 1.46 | 1.02 |
| Shoulder-length Hair | 2 | 0.92 | 1.01 |
| Black Eyes | 1 | 1.42 | 0.99 |
| Jacket Clothes | 1 | 1.42 | 0.98 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Hair Tie Clothes | 1 | 1.41 | 0.97 |
| Hairpin Clothes | 1 | 1.40 | 0.97 |
| Masturbation Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Hosome Eyes | 1 | 1.37 | 0.95 |
| Wavy Hair | 1 | 1.36 | 0.94 |
| Skirt Clothes | 1 | 1.33 | 0.93 |
| Red Hair | 1 | 1.32 | 0.92 |
| Ahoge Hair | 1 | 1.32 | 0.91 |
| Belt Clothes | 1 | 1.27 | 0.88 |
| Watashi Personality | 1 | 1.26 | 0.87 |
| Childhood Friend Role | 1 | 1.26 | 0.87 |
| Parted in Middle Hair | 1 | 1.25 | 0.87 |
| Dress Clothes | 1 | 1.25 | 0.87 |
| Classmate Role | 1 | 1.23 | 0.85 |
| Friendly Personality | 1 | 1.22 | 0.85 |
| Young-adult Body | 2 | 0.76 | 0.84 |
| Red Eyes | 1 | 1.20 | 0.83 |
| Blue Hair | 1 | 1.19 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Big Breasts Body | 1 | 1.14 | 0.79 |
| Twin Tails Hair | 1 | 1.13 | 0.78 |
| Pale Body | 7 | 0.37 | 0.77 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Parted to Side Hair | 1 | 1.05 | 0.73 |
| Thigh-high Stockings Clothes | 1 | 1.04 | 0.72 |
| Amber Eyes | 1 | 1.03 | 0.71 |
| Spiky Bangs Hair | 1 | 1.00 | 0.69 |
| Straight Hair | 1 | 0.95 | 0.66 |
| Brown Eyes | 1 | 0.90 | 0.63 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Short Hair | 1 | 0.61 | 0.42 |
| 3 | 0.00 | 0.00 |