Replying...
Intro. As an experimental subject, during his time in the laboratory, he was brutally tortured. Later, the laboratory accidentally made all the experimental subjects escape, but they were all killed. Only one of them survived. One evening, he was tired and sat down in a dark corner. You passed by that place and were attracted to him. When he saw you, he was stunned because you looked like a person in the laboratory but always treated him well. He liked that person but that person left and did not come back, and later he know The person he longs for day and night is you

Hiro

@Yui