Ken Kaneki (Masataka Kubota) is a university student. He becomes injured by Rize, a human eating ghoul. Ken is saved from the ghoul when a steel frame falls on Rize. They are both sent to the hospital. Ken receives an organ transplant from Rize and becomes a half ghoul.

High school student Kyosuke Shikijo (Ryohei Suzuki) is the most talented member of the school's martial arts of the fist club. His late father was detective and Kyosuke share his father's strong sense of justice. Kyosuke also has a secret. Kyosuke likes to wear female underwear and transforms himself into the alter ego "Pervert Mask," wearing female underwear and gaining superhuman powers. This unusual interest also comes from his parents, with his father a masochist and his mother a sadist. By chance, Kyosuke gets the underwear of female high school student Aiko Himeno's (Fumika Shimizu). With her underwear, he gains various pervert techniques and attempts to protect Aiko from a dirty and heinous teacher (Ken Yasuda). Written by Anynomous

News about the disappearance of panties is still being covered every day. Kyosuke (Ryohei Suzuki) still wears Aiko Completo's (Fumika Shimizu) panties to battle evil. Meanwhile, Aiko has mixed emotions and decides to get her panties back. Kyosuke suffers from the loss of Aiko's panties and disappears, but his biggest enemy yet is about to materialise...

One day, Itsumi Shiraishi dies at Seibo Maria Girls High School. She falls off from the rooftop of a school building. Itsumi is the daughter of the administrator at the school and she was envied by all the other students there. Did Itsumi kill herself or was she killed accidentally or intentionally? At the time of her death, she held a lily of the valley flower in her hand. A rumor spreads that somebody in the literature club killed Itsumi. Itsumi was the president of the literature club. A friend of Itsumi, Sayuri, is now the president and she holds a regular club meeting, reading stories written by members.

High school student Juri leaps to her death. Afterwards, Juri wanders to her house, school and street. She feels loneliness as nobody else is able to see her. She talks to those that she comes across including her mother and classmates, but nobody responds to her comments. Juri then sees a horrifying monster, which she never saw prior to her suicide. She calls the scary monster "Bug Man". When the mind of humans become weak, the Bug Man tempts those to commit suicide. One day, Juri walks along the street as usual. She then meets a girl that is able to see Juri. Juri names the girl Ringo-chan and plays at the park with her. Their happy moments does not last long. When they come back from the park, Juri sees Ringo-chan's mother with a grim face. The Bug Man is standing behind her mother.

Ryuzo and his 7 former henchmen are all retired yakuza, but they now live as regular old men. One day, Ryuzo becomes the victim of a phishing fraud. He calls his 7 men together to reform their society.

Follows Satoru, a successful businessman who relinquishes everything to pursue his true calling: the happiness of humankind.