"The Day Of Ants In The Sky" depicts the love story between a man and a woman who are both assassins for hire. Kenji (Kohei Kuroda) appears to be a normal college student, but he is also part of a covert assassination team. One day, while the team attempts to carry out a hit, a woman named Maki (Rei Orihara) enters the picture and kills the group's target. The woman also tries to kill Kenji, but Kenji's team takes her away.

A young man is unable to save a young woman from being assaulted, despite her having helped him out of a difficult situation in the past. Wracked with regret, he decides to provide assistance to her younger twin sister who is plotting revenge against society.

Segment 1 - actress Saki Aibu plays a woman who doesn't do anything. Segment 2 - actress Asami Mizukawa plays an unlucky woman who messes up a man. Segment 3 - actress Koyuki plays an excessively beautiful woman. Segment 4 - actress Yuka plays an easy/promiscuous woman. Segment 5 - actress Kyoko Hasegawa plays an ordinary woman.

For Fujiwara, everything seems to be going well - he is doing well in high school, he is good looking and also a good fighter. One day, he is suddenly attacked by a group of students without any provocation. He then discovers that there is a mysterious violent game being played out in the corridors and playfrounds of Tokyo’s high schools. The game is being spread virally via the students’ mobile phones! The victims are mysteriously hypnotized and become senseless killing machines. Fujiwara must fight for his survival and to discover the game’s terrifying secret.

Genji and his victorious G.P.S. alliance find themselves facing down a new challenge by the students of Hosen Academy, feared by everyone as 'The Army of Killers.' The two schools, in fact, have a history of bad blood between them. And the simmering embers of hatred are about to flare up again, burning away any last remnants of the truce they had so rigorously observed until now.

An omnibus-style youth drama consisting of 4 episodes. Five girls who go to high school near Tokyo. Mio who meets the homeless in Shibuya at night, Akira who had hidden her best friend's happiness, Kaori who loved her teacher...