"You said you would repay me. So, if I want your heart, will you give it to me?"
"But this place is empty."
"It doesn't matter, we still have a long time. I'm waiting for the day when your heart is filled."
This is a story about love at first sight, first love and the warmth of guardianship(?).
Also: the heroine's memory of this anime was wiped.
Overhaul of writing~