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 | 8.23 |
| Reverse Trap Heroine | 2.00 | 2.39 | 4.79 |
| Kitsune Heroine | 1.50 | 2.32 | 3.48 |
| Miko Heroine | 2.00 | 1.72 | 3.43 |
| Heroine with Small Breasts (Non-Loli) | 2.00 | 1.71 | 3.42 |
| More Than Seven Heroines | 1.50 | 1.64 | 2.47 |
| Nameable Protagonist | 2.00 | 0.91 | 1.82 |
| Loli Heroine | 1.50 | 1.19 | 1.79 |
| High School Student Heroine | 2.00 | 0.85 | 1.69 |
| Heroine with Big Breasts | 2.00 | 0.84 | 1.67 |
| 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 | 0.60 |
| ADV | 2.00 | 0.14 | 0.29 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Ghost Role | 10 | 2.30 | 5.52 |
| Shimapan Clothes | 9 | 2.14 | 4.92 |
| School Extraordinary Club Member Role | 3 | 2.62 | 3.63 |
| Yamato Nadeshiko Role | 3 | 2.00 | 2.77 |
| Group Sex Engages in (Sexual) | 5 | 1.52 | 2.73 |
| Khakkhara Items | 1 | 3.67 | 2.55 |
| Mature Personality | 3 | 1.81 | 2.51 |
| Eye Covering Hair | 3 | 1.80 | 2.50 |
| Skeleton Role | 1 | 3.50 | 2.43 |
| Mischievous Personality | 3 | 1.72 | 2.39 |
| Small Breast Sizes Body | 2 | 2.01 | 2.20 |
| Onmyouji Role | 1 | 3.09 | 2.14 |
| Ara Ara Personality | 1 | 3.00 | 2.08 |
| Pointed Hat Clothes | 1 | 2.98 | 2.06 |
| Warawa Personality | 1 | 2.97 | 2.06 |
| Headscarf Clothes | 1 | 2.95 | 2.04 |
| Based on a Real Person Role | 2 | 1.84 | 2.02 |
| Off-The-Shoulder Kimono Clothes | 1 | 2.89 | 2.01 |
| Dormitory Manager Role | 1 | 2.86 | 1.98 |
| Ponytail Hair | 5 | 1.10 | 1.97 |
| Broom Items | 1 | 2.83 | 1.96 |
| Smoking Pipe Items | 1 | 2.80 | 1.94 |
| Furisode Clothes | 1 | 2.77 | 1.92 |
| Tsurime Eyes | 3 | 1.38 | 1.92 |
| Reverse-trap Body | 1 | 2.73 | 1.89 |
| Ane Act Role | 1 | 2.72 | 1.89 |
| Sport Bloomers Clothes | 2 | 1.72 | 1.89 |
| Beanie Clothes | 1 | 2.72 | 1.89 |
| Violet Eyes | 5 | 1.05 | 1.88 |
| Virgin Sex Engages in (Sexual) | 8 | 0.85 | 1.87 |
| Mysterious Personality | 2 | 1.69 | 1.86 |
| Ribbon Hair Accessory Clothes | 2 | 1.66 | 1.82 |
| Small Breasts Body | 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 | 2.53 | 1.75 |
| Hand Fan Items | 1 | 2.50 | 1.73 |
| Kanzashi Clothes | 1 | 2.49 | 1.73 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.72 |
| Trench Coat Clothes | 1 | 2.47 | 1.71 |
| Peaked Cap Clothes | 1 | 2.46 | 1.71 |
| Refined Personality | 2 | 1.54 | 1.70 |
| Habit Clothes | 1 | 2.40 | 1.66 |
| 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 | 2.31 | 1.60 |
| Religious Personality | 1 | 2.30 | 1.59 |
| Nightgown Clothes | 1 | 2.28 | 1.58 |
| Pantyhose Clothes | 2 | 1.43 | 1.57 |
| Trap Body | 1 | 2.23 | 1.54 |
| Attempted Homicide Subject of | 1 | 2.22 | 1.54 |
| Blunt Bangs Hair | 2 | 1.40 | 1.54 |
| Nature Lover Personality | 1 | 2.19 | 1.52 |
| Kid Body | 2 | 1.37 | 1.51 |
| Slit Pupils Eyes | 1 | 2.17 | 1.51 |
| Hakama Clothes | 1 | 2.16 | 1.50 |
| Bell (accessory) Clothes | 1 | 2.16 | 1.50 |
| Tail Body | 1 | 2.15 | 1.49 |
| Boobs on Glass Subject of (Sexual) | 1 | 2.15 | 1.49 |
| Sundress Clothes | 1 | 2.14 | 1.49 |
| Book Items | 1 | 2.12 | 1.47 |
| White Hair | 2 | 1.33 | 1.47 |
| Pink Hair | 2 | 1.33 | 1.46 |
| Mask Clothes | 1 | 2.11 | 1.46 |
| Opposite Gender Voiced Personality | 1 | 2.10 | 1.46 |
| Waist Length+ Hair | 5 | 0.81 | 1.45 |
| Insightful Personality | 1 | 2.10 | 1.45 |
| Miko Role | 1 | 2.09 | 1.45 |
| Black Hair | 5 | 0.81 | 1.44 |
| Cross-dressing Engages in | 1 | 2.07 | 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 | 1.42 |
| Based on a Fictional Character Role | 1 | 2.04 | 1.41 |
| Emotional Personality | 1 | 2.01 | 1.40 |
| Secretive Personality | 1 | 2.00 | 1.39 |
| Beret Clothes | 1 | 2.00 | 1.38 |
| Sharp-tongued Personality | 1 | 1.98 | 1.37 |
| Teen Body | 8 | 0.62 | 1.36 |
| Sidehair Hair | 3 | 0.98 | 1.36 |
| School Uniform Clothes | 5 | 0.76 | 1.36 |
| Miko's Dress Clothes | 1 | 1.95 | 1.35 |
| Taciturn Personality | 1 | 1.95 | 1.35 |
| Mutual Masturbation Engages in (Sexual) | 1 | 1.94 | 1.34 |
| Clumsy Personality | 1 | 1.94 | 1.34 |
| Antenna Hair | 1 | 1.93 | 1.34 |
| Unusual Hair Ornaments Clothes | 1 | 1.88 | 1.30 |
| Fang Body | 1 | 1.88 | 1.30 |
| Cardigan Clothes | 1 | 1.87 | 1.30 |
| Twin Braids Hair | 1 | 1.87 | 1.29 |
| Timid Personality | 1 | 1.86 | 1.29 |
| Twin Sister Role | 1 | 1.85 | 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 |
| Kemonomimi Body | 1 | 1.77 | 1.23 |
| Necktie Clothes | 2 | 1.12 | 1.23 |
| Hair Flower Clothes | 1 | 1.77 | 1.23 |
| Tareme Eyes | 2 | 1.11 | 1.22 |
| Short Shorts Clothes | 1 | 1.75 | 1.22 |
| Pajamas Clothes | 1 | 1.75 | 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 |
| Shorts Clothes | 1 | 1.68 | 1.16 |
| Protective Personality | 1 | 1.67 | 1.16 |
| Collar Clothes | 1 | 1.67 | 1.16 |
| Garnet Eyes | 1 | 1.66 | 1.15 |
| Relaxed Personality | 1 | 1.64 | 1.13 |
| Popular Role | 1 | 1.64 | 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 | 1.58 | 1.09 |
| Kimono Clothes | 1 | 1.57 | 1.09 |
| Medium Breasts Body | 1 | 1.51 | 1.05 |
| Green Hair | 1 | 1.48 | 1.03 |
| Sailor School Uniform Clothes | 1 | 1.47 | 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 | 1.42 | 0.98 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Hair Tie Clothes | 1 | 1.41 | 0.98 |
| Hairpin Clothes | 1 | 1.40 | 0.97 |
| Masturbation Engages in (Sexual) | 1 | 1.40 | 0.97 |
| Hosome Eyes | 1 | 1.37 | 0.95 |
| Wavy Hair | 1 | 1.36 | 0.94 |
| Skirt Clothes | 1 | 1.34 | 0.93 |
| Ahoge Hair | 1 | 1.32 | 0.92 |
| Red Hair | 1 | 1.32 | 0.92 |
| Belt Clothes | 1 | 1.27 | 0.88 |
| Childhood Friend Role | 1 | 1.26 | 0.87 |
| Dress Clothes | 1 | 1.25 | 0.87 |
| Watashi Personality | 1 | 1.25 | 0.87 |
| Parted in Middle Hair | 1 | 1.25 | 0.87 |
| Classmate Role | 1 | 1.23 | 0.85 |
| Friendly Personality | 1 | 1.22 | 0.84 |
| Young-adult Body | 2 | 0.76 | 0.83 |
| Red Eyes | 1 | 1.20 | 0.83 |
| Blue Hair | 1 | 1.19 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Twin Tails Hair | 1 | 1.13 | 0.78 |
| Big Breasts Body | 1 | 1.13 | 0.78 |
| Pale Body | 7 | 0.37 | 0.76 |
| 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 | 0.72 |
| Spiky Bangs Hair | 1 | 1.00 | 0.69 |
| Straight Hair | 1 | 0.94 | 0.65 |
| Brown Eyes | 1 | 0.90 | 0.62 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Short Hair | 1 | 0.61 | 0.42 |
| 3 | 0.00 | 0.00 |