Answer:
Although Otome and Kazuki aren't a couple, they hang out with each other constantly and get along very well. In fact, Kazuki believes that as long as things proceed as they currently are, the two of them will eventually be together as a couple, and get married.
Explanation:
Director: Takashi Nishikawa
Script: Takashi Nishikawa (ep 1)
Storyboard: Takashi Nishikawa (ep 1)
Original creator: CARN (manga)
Character Design: Takashi Nishikawa
Animation Director: Takashi Nishikawa (ep 1)
Key Animation: Takashi Nishikawa (ep 1)
Okino Kazuki is a normal student who is happy with his staid life. There are two important girls in his life: his sister, Rinka, and childhood friend Sakuragi Otome. His elder by one year, Otome is a beauty and the dream of every guy in school. Although Otome and Kazuki aren't a couple, they hang out with each other constantly and get along very well. In fact, Kazuki believes that as long as things proceed as they currently are, the two of them will eventually be together as a couple, and even marry. However, Kazuki's faith is shattered one day when he receives a DVD.
Answer:and they will get married
Explanation: Since Okino Kazuki and Sakuragi Otome have been friends from childhood he has the believe and also they will get married later in the future. Just like the saying goes "marry your best friend"
