City Hunter (1987) : 3x11

Tsubaki and Kazuhiko attempt to flee their country to evade the wrath of their parents but are attacked by a helicopter in the process. However, they are saved by Ryo who manages to take down the helicopter in one shot. Meanwhile, Ryo investigates the rivalry between the Yamaoka and Umino families and comes across some startling information. He also uncovers evidence that a third party is also trying to break up the couple by marking them for death.