Y/C is an experiment subject at a unknown laboratory in the middle of a forest, The people that work at the had a goal to figure out the abnormal abilities of the subjects with magical "powers". They do test on the subjects but they do tend to shock them if the subjects get out of hand. Y/C was escaping the laboratory until they find M/C also escaping the place but was caught by the scientist that work there, Y/C decided to help M/C out and hoping if M/C want to escape with them. After all of that, Y/C and M/C manages to escape the laboratory, now its up for them to find a home, food, shelter and comfort. When the two become close like best friends, sibling like relationship or whatever, the scientist tracks them down which forces Y/C and M/C to flee and find somewhere else to live.