Shisui, Will You Always Look at Me?

"Shisui Shisui, I'm hungry." "Call Nissan." "Shisui Shisui, I'm sleepy." "Call Nissan." "Shisui Shisui, I don't want to go to school." "Call Nissan." "Shisui Shisui, I miss you." "..." "The only thing left is your photo..." * Part of the story is recalled and part of the story is recalled. Those who researched it retreated. (You can't blame me for the lack of information at Shisui's time.)