A biography for Kakeru Yuigahasn’t been written yet.
“You're like a plant. Very pure... so opposite from me that it surprises me. Maybe I can stay pure if I don't have to deal with people.”
“But it must be inconvenient to not be able to remember your name. I'll give you my last name, if you want.”
“If you don't understand, I'll stay with you until you do.”
“Masume works hard and he's very thoughtful. He likes hardships, so he's very useful.”