Suga's parents died from his biological parents because they've haven't payed loans they owed them. Mean while Suga lived with them for five years and worked part time so he could go into a university college however he met his friend from six years ago ( Jimin ) that helped him over come being alone for awhile before he moved away. Afterwards he becomes suspicious of Jimin and begins to notice he's the one that he should blame for the death of his parents but falls in love with him while being his roommate for a few days.