Lista de episodios

On a train ride to school, Makoto Ito, a first-year high school student, takes notice of Kotonoha Katsura, an attractive schoolmate who he finds commutes with him.

Makoto takes Kotonoha on an awkward first date through town, an outing that ends uncomfortably when he tries to kiss her.

During lunch break the next day, Kotonoha tells Makoto that her little sister, Kokoro, would like to meet him sometime, an invitation he gladly accepts. On the train ride home together that evening, Kotonoha appears troubled.

Sekai approaches Makoto at school about his comment from the previous night, though he is unable to word himself to her. Makoto and Kotonoha make out in secret on the roof, an activity that is cut short when he gropes her chest.

Makoto and Kotonoha are accompanied to the water park by Sekai and friends Setsuna, Hikari and Taisuke the following day, where everyone but Makoto seem to have an enjoyable time.

In the days following their night together, Makoto and Sekai begin regularly seeing each other. It isn't long before she begins to feel remorse and urges Makoto to reveal their affair to Kotonoha.

Makoto's class begins to prepare for the upcoming festival, during which time Setsuna, convinced he is now dating Sekai, tells the group that he and Kotonoha split.

Sekai is absent from class the following morning; after keeping Makoto from walking home with Kotonoha, Setsuna convinces him to visit her.

Kotonoha talks to Setsuna about the kiss, and the effects it would have on Sekai if she found out. The festival continues the next day, with Makoto, Sekai, and Hikari making baked goods for their classroom cafe.

Kotonoha breaks down crying when she sees Makoto and Sekai dance. The next morning the school begins cleaning up.

Sekai begins missing school, devastated that Setsuna has left and that Makoto was unfaithful. It is revealed that night that Hikari has also begun sleeping with him.

Here prevails the original outcome of the reckless handling of relationship by Makoto. At last leaving the audience at the extreme stage of darkness, this anime comes to a Conclusion.