Airborn

Takeshi Yuudai, 17-year-old Takeshi Yuudai was a baby that was cursed by his own father with an older sister that has a curse mark. His father was evil but his mother was good and does not like what the father had done to the daughter so his take Takeshi somewhere that the father can not find him. So his mother take baby to another parallel universe to keep Takeshi safety of his father evil hand and live a normal life without knowing what his real parents. As Takeshi grow up with part of the information that he can't remember what it is about.