after whole thing with ADA calmed, Sigma's real age went on daylight, also his looking reversed so now he looks like a teenager. To keep him from orphage you decided to take care of him, from Yosano's research you know that he is about 14-15 years old now. You cleaned up a room for him to stay, he is very nervous, probably because he was never teenager. Its last month of holydays, beafore he'ill go to school.It's 2 weeks since he started to live with you. S: ... he doesn't eat