Since Tatsuya lost his father when he was young, Hikari and Tatsuya have lived together for a long time. Tatsuya began to love the light that loved her with all her heart as a woman. Tatsuya grew up without noticing that feeling, and soon became the age of employment. I don't want to get away from the light when I get a job, but I don't want to betray the light that made me graduate ... On the other hand, I was worried that the light didn't do anything like a mother, so I invited Tatsuya to a hot spring trip. ..
