Koguma, a reserved second-year high school student, has nothing—no parents, hobbies, friends, or goals. On her way home one afternoon, she visits a vehicle shop in hopes of acquiring a motor scooter. With only enough money to make ends meet, she is disheartened by the price tags and prepares to turn back. However, as she is about to leave, the shop's owner offers her a pre-owned Honda Super Cub for ten thousand yen. Believing that the motorcycle will help brighten her monotonous world, she accepts the deal. As Koguma journeys through her town on small adventures with her Super Cub, she begins to build irreplaceable friendships and eagerly advances toward her new life.

Since the death of his parents, Shinpei Ajiro had lived with the Kofune family and their two daughters—Mio and Ushio. Although he then left his home island to continue his education in Tokyo, Shinpei returns after Ushio tragically drowns during the attempted rescue of a little girl. During the funeral, his best friend informs him about bruises found around Ushio's neck, casting doubt over the cause of her death. Suspecting a murder has taken place, Shinpei reevaluates recent events, but strange incidents only continue to transpire. Disappearing people and other unexplainable occurrences lead Mio to recall an old folktale referring to entities called Shadows, which may not be entirely fantasy. Supposedly, an encounter with one's Shadow foretells the person's impending demise. Facing the dark side of Hitogashima Island, Shinpei stands against his grim fate to fulfill Ushio's final will—to protect Mio.

At Hope's Peak Academy, a school full of extraordinarily talented individuals, Nagito Komaeda is an ordinary boy with no special traits or interesting skills to speak of—except for his incredible unluckiness. Just walking to school in the morning leads to a number of unfortunate accidents, which only escalate as the day goes on. Despite this, Komaeda leads a relatively normal life and is satisfied with his modest slice of happiness. But everything changes when a mysterious boy who declares himself the Destroyer of the World arrives to shatter this hopeless paradise.

“Is there any girl you love?” By this word his friend asked during the school excursion, the protagonist, Kaizu Takumi, begins to aware of his interest in opposite sex. Of course, there are girls around him, for example, his childhood friend, Hatano Konami, his classmate, Ebizuka Shino, a school idol, Shimazu Kakana, etc. However, he himself hasn’t noticed his feelings until he is asked by his friend. He becomes anxious seeing his friend try to find his girl friend, and he resolves his mind to find a girl friend during the last summer of his high school life. (Source: ANN)