Takuma Hirosa, a young blind student of high school, although the cause of its blindness is not defined. After his mother unexpectedly died, he left a deep emotional scar on him, forcing him to feel very lonely and restrained. Because of this, Takuma and his father move from the city to the countryside, and Takuma enters a new secondary school. In his new school, he meets several new girls, although the three of which he learns more than others. They, solid and stubborn by the kechinat, kind and self-satisfied Hinata kagura and cheerful and mysterious Otha. When Takuma interacts with these girls, their health status begins to gradually heal.