Oreshura - Season 1 (2013)

Eita gets up early to spy on Chiwa's first date with Sakagami. Masuzu has the same idea but she is there to watch something else unfold.

Eita keeps finding new love letters in his shoebox, but before he can deal with them a new girl, Himeka Akishino, shows up and hugs him in front of Masuzu and Chiwa

Eita and the others are forced to clean the pool after being caught by the hall monitors. Mana shows up once again and so does a red-haired hall monitor named Ai.

The club is shut down by Ai. Eita attends summer classes, along with Ai and her childhood friend, Kaoru. Masuzu orders Eita to confirm that the boyfriend Ai talked about is fake.

In order to expose Ai's weaknesses, Eita and Chiwa join Kaoru and Ai in a movie double date. Chiwa and Ai end up arguing with each other as they supported opposing love rivals in the movie they watched.

Eita reads Ai's delusional notes by accident. As an apology, Eita accompanies Ai to the local festival. Ai reveals herself to be Eita's childhood friend from kindergarten and that, according to their childhood promise, they are also engaged to each other. The club reopens with Ai joining as club adviser.

The club decides to go to the beach for their summer club activity. Chiwa asks Eita to accompany her to buy a swimsuit. Masuzu steps in to interfere with Chiwa and Eita's date, while Himeka and Ai follow Eita in secret. All of them end up spending time together. On their way home, they meet Eita's aunt, Saeko, who realizes that Masuzu and Eita's relationship is fake, and questions Eita about which girl he likes the most.

Saeko offers the girls a chance to save money on the trip by entering a marketing contest for her new game, and intentionally excludes Masuzu. She also explains why she thinks Eita and Masuzu's relationship is fake. As everyone prepares for the trip to the beach, Eita realizes that Ai, Hime and Chiwa have become good friends while Masuzu has been left out. Both Masuzu and Eita are also rattled by Saeko-san.

The club goes on a trip to the beach and enjoy quality time together. Chiwa, Ai, and Hime decide to buy matching key chains or cellphone strap to symbolize their club. This makes Masuzu realize that she doesn't fit in and that she can't win the contest. She thanks Eita for all he has done and tells him that she will set him free after the contest. At the end of the episode, Eita is accidentally run over by Mana. They have a short conversation and Mana realizes that Eita likes Masuzu and thanks him for that. Eita asks her if anyone can stand being with a liar and Mana ...

The competition begins and when it is time for Masuzu's speech, Eita confesses to her and tells her that they have the worst personalities together but deserve each other. The couple share a kiss on stage as the other girls look on from the crowd. He has chosen the "battlefield route" instead of a "harem route" and so he attempts to make each of the girls hate him, so that they move on. Instead, Eita unintentionally inspires all three of the other girls to fight even harder to win his affections. Chiwa later steals a kiss. The episode closes with Chiwa and Masuzu each...