tungstenhexafluoride

Tohno Takaki and Shinohara Akari are two classmates in an elementary school. During their time together they have become close friends.

The story picks up after what happened in season one. Things that are left unexplained in the first season get explained in the new season in three separate arcs.

Yukiteru Amano (or Yuki) is a loner who never really interact with people and prefers writing a diary on his cell phone with his only companion being an imaginary friend named Deus Ex Machina, the God of Time and Space. However, Yuki soon learns that Deus is not a figment of his imagination but real when Deus makes him a participant in a battle royale with eleven others.

In 1972, 26 years ago, a very popular honor student named Misaki died partway through the school year in Yomiyama North Middle School’s class 3-3. The rest of the students, devastated by the unexpected loss, decided to carry on as if their classmate were still alive, going so far as to keep the desk in place and bringing it to the graduation ceremony.

Keita Suminoe is a third-year Japanese middle school student living with his father, stepmother, and older twin stepsisters, Ako and Riko in undisclosed Japan. Since the remarriage of their parents at childhood, the siblings have always been affectionately close and supportive of one another.

Ever since she entered high school, Kotoko Aihara wanted to be in the same class as Naoki Irie. The only problem is that Irie is the smartest student in school contrast to Kotoko being one of the dumbest.