Yukito Minakami is awakened by his childhood friend Kotomi for school, but when they arrive there, they find that a female classmate jumped off the roof of the school the day before. Before long, all their classmates are talking about the approaching end of the world on the 20th day of the month. Some even begin to lose their minds, with another student as their leader...
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| School Kendo Club Member Role | 2 | 3.06 | 3.36 |
| Bullying Engages in | 3 | 2.25 | 3.13 |
| Keikogi Clothes | 2 | 2.62 | 2.88 |
| Bullying Subject of | 3 | 2.06 | 2.85 |
| Kendo Engages in | 2 | 2.57 | 2.83 |
| Delinquent Role | 2 | 2.43 | 2.67 |
| Dyed Hair | 2 | 2.37 | 2.60 |
| Sex on Roof Engages in (Sexual) | 2 | 2.29 | 2.52 |
| Medium Breasts Body | 4 | 1.52 | 2.45 |
| Timid Personality | 2 | 1.86 | 2.05 |
| Straight Hair | 7 | 0.95 | 1.97 |
| School Uniform Clothes | 10 | 0.75 | 1.80 |
| Spiky Bangs Hair | 5 | 1.00 | 1.79 |
| Tareme Eyes | 4 | 1.10 | 1.78 |
| High School Student Role | 7 | 0.85 | 1.77 |
| Blue Eyes | 8 | 0.80 | 1.77 |
| Sleepyhead Personality | 1 | 2.51 | 1.74 |
| Watashi Personality | 3 | 1.26 | 1.74 |
| Sexual Harassment Engages in | 1 | 2.45 | 1.70 |
| Homeroom Teacher Role | 1 | 2.45 | 1.70 |
| Futanari Body | 1 | 2.35 | 1.63 |
| Suicide Engages in | 1 | 2.30 | 1.59 |
| Sexual Harassment Subject of | 1 | 2.23 | 1.54 |
| Mahou Shoujo Role | 1 | 2.22 | 1.54 |
| Blunt Bangs Hair | 2 | 1.40 | 1.54 |
| Bookworm Personality | 1 | 2.16 | 1.50 |
| Teal Hair | 1 | 2.16 | 1.50 |
| Pink Hair | 2 | 1.33 | 1.46 |
| Anilingus Subject of (Sexual) | 1 | 2.05 | 1.42 |
| Anilingus Engages in (Sexual) | 1 | 2.01 | 1.39 |
| Wristband Clothes | 1 | 2.00 | 1.39 |
| Childhood Friend Role | 2 | 1.26 | 1.38 |
| Strange Personality | 1 | 1.95 | 1.35 |
| Antenna Hair | 1 | 1.93 | 1.33 |
| Brown Hair | 6 | 0.68 | 1.33 |
| Blue Hair | 2 | 1.19 | 1.31 |
| Standing Sex Engages in (Sexual) | 1 | 1.87 | 1.30 |
| Standing Sex Subject of (Sexual) | 2 | 1.18 | 1.29 |
| Teen Body | 7 | 0.62 | 1.29 |
| Evening Gloves Clothes | 1 | 1.81 | 1.25 |
| Boku Personality | 1 | 1.78 | 1.24 |
| Handjob Subject of (Sexual) | 1 | 1.75 | 1.22 |
| Deredere Personality | 1 | 1.74 | 1.21 |
| Ponytail Hair | 2 | 1.10 | 1.21 |
| Slim Body | 7 | 0.58 | 1.20 |
| Intake Hair | 1 | 1.67 | 1.16 |
| Violet Eyes | 2 | 1.04 | 1.15 |
| Kouhai Role | 1 | 1.63 | 1.13 |
| Waist Length+ Hair | 3 | 0.81 | 1.12 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Grey Eyes | 1 | 1.60 | 1.11 |
| Ore Personality | 1 | 1.58 | 1.09 |
| Short Hair | 5 | 0.61 | 1.09 |
| Sidehair Hair | 2 | 0.98 | 1.07 |
| Blowjob Subject of (Sexual) | 1 | 1.52 | 1.06 |
| Maid's Dress Clothes | 1 | 1.51 | 1.05 |
| Orange Hair | 1 | 1.51 | 1.05 |
| Choker Clothes | 1 | 1.50 | 1.04 |
| Student Role | 1 | 1.49 | 1.03 |
| Sailor School Uniform Clothes | 1 | 1.48 | 1.03 |
| Green Hair | 1 | 1.48 | 1.02 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Hair Tie Clothes | 1 | 1.41 | 0.97 |
| Curtained Hair | 1 | 1.30 | 0.90 |
| Sixty-nine Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Classmate Role | 1 | 1.23 | 0.85 |
| Red Eyes | 1 | 1.20 | 0.83 |
| Ribbon Hair Tie Clothes | 1 | 1.19 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Big Breasts Body | 1 | 1.14 | 0.79 |
| Pale Body | 7 | 0.37 | 0.77 |
| Boobjob Engages in (Sexual) | 1 | 1.07 | 0.74 |
| Thigh-high Stockings Clothes | 1 | 1.04 | 0.72 |
| Green Eyes | 1 | 1.02 | 0.70 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Brown Eyes | 1 | 0.90 | 0.63 |
| Blond Hair | 1 | 0.89 | 0.62 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |