Relations Kukuri (Older Sister) Kakeru is a young student who was born blind in his right eye, therefore wearing an eyepatch to avoid the stares of others as it also a different color. Aside from his best friend, Minase Yuka, Kakeru closed off his heart due to his traumatic background, which included being raised in an orphanage and having his sister commit suicide. Kakeru and Yuka both went to the same orphanage as children. Kakeru also has a job at a cafe.