Once, "Integral Sorcerian Academy", which teaches magical experts, experienced an incident called "the night of the red moon", where demons attacked the school. In order to contain the situation, an all-girl team "Anti-Spectre" was formed by the most prominent students and the demon who led the attack was sealed. Our protagonist is a freshman who passed the difficult general admission test in order to become a student at this school. He loses his life, while being caught up in the fight between anti-spectres and a demon, but is saved by the sealed demon Morpheris. The demon's deal in order for the protagonist to live, is to help in breaking her seal and corrupting the anti-spectre team to the pleasures of flesh. "Next until the moon turns red" is set as a deadline, and if the protagonist fails to accomplish the task, he will lose his life. [Translated from Getchu]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Bestiality Engages in (Sexual) | 3 | 2.44 | 3.38 |
| Group Sex of Several Females Engages in (Sexual) | 3 | 2.33 | 3.23 |
| Non-consensual Sex with Tentacles Engages in (Sexual) | 5 | 1.76 | 3.16 |
| Sexual Corruption Subject of | 3 | 1.97 | 2.73 |
| Masturbation with Object Engages in (Sexual) | 2 | 2.44 | 2.68 |
| Penis Growth Subject of | 2 | 2.33 | 2.56 |
| Medium Breasts Body | 4 | 1.55 | 2.50 |
| Adult Breast Feeding (obsolete) Engages in (Sexual) | 2 | 2.24 | 2.46 |
| Leather Bondage Engages in (Sexual) | 1 | 3.51 | 2.43 |
| Group Sex of One Female and Several Males Engages in (Sexual) | 3 | 1.72 | 2.39 |
| Selfcest Engages in (Sexual) | 1 | 3.29 | 2.28 |
| Lesbian Sex Engages in (Sexual) | 4 | 1.38 | 2.23 |
| Stuck in Meatwall Subject of (Sexual) | 1 | 3.07 | 2.13 |
| Single Hole Multiple Tentacle Penetration (obsolete) Engages in (Sexual) | 1 | 3.05 | 2.11 |
| Gang Rape Subject of (Sexual) | 2 | 1.89 | 2.07 |
| Sex in Public Places Engages in (Sexual) | 4 | 1.26 | 2.03 |
| Ram Horns Body | 1 | 2.93 | 2.03 |
| Vaginal Masturbation Engages in (Sexual) | 2 | 1.77 | 1.95 |
| Handjob Subject of (Sexual) | 2 | 1.76 | 1.93 |
| Spit-roast Subject of (Sexual) | 2 | 1.74 | 1.91 |
| Monocle Clothes | 1 | 2.70 | 1.87 |
| Metal Bondage Subject of (Sexual) | 1 | 2.70 | 1.87 |
| Bukkake Subject of (Sexual) | 3 | 1.34 | 1.86 |
| Dagger Items | 1 | 2.62 | 1.82 |
| Slave Tattoo (BDSM) Body | 1 | 2.62 | 1.81 |
| Vaginal/Anal Sexual Toys Subject of (Sexual) | 2 | 1.65 | 1.81 |
| Hair Pulling (Sexual) Subject of (Sexual) | 1 | 2.61 | 1.81 |
| Lactation Engages in | 2 | 1.59 | 1.75 |
| Electric Shock (BDSM) Subject of (Sexual) | 1 | 2.52 | 1.75 |
| Quickie Fix Subject of (Sexual) | 4 | 1.08 | 1.73 |
| Cunnilingus Engages in (Sexual) | 2 | 1.56 | 1.72 |
| Spit-roast Engages in (Sexual) | 1 | 2.45 | 1.70 |
| Vaginal + Anal Tentacle Penetration Subject of (Sexual) | 1 | 2.45 | 1.70 |
| Breast Expansion Subject of | 1 | 2.41 | 1.67 |
| Thigh-high Stockings Clothes | 4 | 1.03 | 1.66 |
| Sex in Front of an Audience Engages in (Sexual) | 2 | 1.51 | 1.66 |
| Outdoor Sex Engages in (Sexual) | 3 | 1.16 | 1.60 |
| Bat Wings Body | 1 | 2.29 | 1.59 |
| Heterochromia Eyes | 1 | 2.26 | 1.57 |
| Public Masturbation Engages in (Sexual) | 1 | 2.22 | 1.54 |
| Mahou Shoujo Role | 1 | 2.21 | 1.53 |
| High School Student Role | 5 | 0.84 | 1.50 |
| Student Council President Role | 1 | 2.06 | 1.43 |
| Nipple Teasing Engages in (Sexual) | 1 | 2.04 | 1.41 |
| Spaulders Clothes | 1 | 2.02 | 1.40 |
| Demon Role | 1 | 2.01 | 1.39 |
| High Heeled Shoes Clothes | 1 | 2.00 | 1.39 |
| Sixty-nine Engages in (Sexual) | 2 | 1.25 | 1.38 |
| Handgun Items | 1 | 1.94 | 1.35 |
| Masturbation in front of an Audience Engages in (Sexual) | 1 | 1.92 | 1.33 |
| School Uniform Clothes | 5 | 0.74 | 1.32 |
| Plate Armor Clothes | 1 | 1.90 | 1.32 |
| Quickie Fix Engages in (Sexual) | 1 | 1.89 | 1.31 |
| Violet Hair | 2 | 1.19 | 1.30 |
| Double Handjob Engages in (Sexual) | 1 | 1.88 | 1.30 |
| Pendant Earrings Clothes | 1 | 1.87 | 1.30 |
| Standing Sex Subject of (Sexual) | 2 | 1.18 | 1.29 |
| Unusual Hair Ornaments Clothes | 1 | 1.86 | 1.29 |
| Butterfly Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Waist Length+ Hair | 4 | 0.80 | 1.29 |
| Cunnilingus Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Doggy Style Subject of (Sexual) | 3 | 0.92 | 1.28 |
| Lab Coat Clothes | 1 | 1.79 | 1.24 |
| Braid Hair | 1 | 1.78 | 1.23 |
| Hair Ribbon Clothes | 1 | 1.77 | 1.23 |
| Sword Items | 1 | 1.77 | 1.23 |
| Multiple Penetration Subject of (Sexual) | 1 | 1.75 | 1.21 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.73 | 1.20 |
| Teen Body | 6 | 0.61 | 1.19 |
| Vaginal Fingering Subject of (Sexual) | 2 | 1.08 | 1.18 |
| Small Breasts Body | 1 | 1.70 | 1.18 |
| Crop Top Clothes | 1 | 1.69 | 1.17 |
| Miniskirt Clothes | 2 | 1.07 | 1.17 |
| Virgin Sex Engages in (Sexual) | 3 | 0.84 | 1.17 |
| Rope Bondage Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Sitting Sex Subject of (Sexual) | 2 | 1.05 | 1.16 |
| Cyan Eyes | 1 | 1.67 | 1.16 |
| Olive Body | 1 | 1.66 | 1.15 |
| Violet Eyes | 2 | 1.04 | 1.14 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.64 | 1.14 |
| Vaginal Fingering Engages in (Sexual) | 1 | 1.62 | 1.13 |
| Amber Eyes | 2 | 1.02 | 1.12 |
| Pink Eyes | 1 | 1.61 | 1.12 |
| Garter Belt Stockings Clothes | 1 | 1.61 | 1.11 |
| Slim Body | 6 | 0.57 | 1.11 |
| Nipple Teasing Subject of (Sexual) | 1 | 1.59 | 1.10 |
| Kimono Clothes | 1 | 1.55 | 1.08 |
| Pissing Engages in (Sexual) | 1 | 1.46 | 1.01 |
| Headband Clothes | 1 | 1.44 | 1.00 |
| Pantyhose Clothes | 1 | 1.42 | 0.98 |
| Gloves Clothes | 1 | 1.42 | 0.98 |
| Blunt Bangs Hair | 1 | 1.40 | 0.97 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.97 |
| Knee-high Socks Clothes | 1 | 1.37 | 0.95 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Ahegao Engages in (Sexual) | 1 | 1.33 | 0.92 |
| Pink Hair | 1 | 1.32 | 0.92 |
| Ahoge Hair | 1 | 1.31 | 0.91 |
| Blowjob Engages in (Sexual) | 2 | 0.76 | 0.84 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 1 | 1.19 | 0.83 |
| Long Hair | 2 | 0.75 | 0.83 |
| Red Eyes | 1 | 1.19 | 0.83 |
| Blue Hair | 1 | 1.19 | 0.82 |
| Big Breasts Body | 1 | 1.19 | 0.82 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Boobjob Engages in (Sexual) | 1 | 1.06 | 0.74 |
| Pale Body | 5 | 0.37 | 0.67 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Blond Hair | 1 | 0.88 | 0.61 |
| Blue Eyes | 1 | 0.80 | 0.55 |