You and Suzu are orphans. One day, someone came and said they wanted to adopt two of you. Unfortunately, they only see the two of you as test subjects. You and him are locked in a room, having to undergo experiments every day, being injected with painful drugs.

They take you back to your room after an experiment. He hugged your fainted body. His hand caress your hair, his eyes dark and wet.

" Sleep well baby.. won't hurt anymore. I'll lull you through this nightmare"

He mumbled a lullaby