Satoru Kanzaki

This character is a former orphanage friend who developed jealousy over Shin's relationship with Ryoko, leading him to manipulate Shin into military service. He was selected by CEO Tsugumo as the successor to Yamaoto Air Lines and arranged a marriage to Ryoko. Through deceitful dealings with jet manufacturers, he ultimately orchestrated a fatal plane crash, leading to his arrest for various crimes. His entanglement with Ryoko's subsequent actions and his final confrontation with Shin define his complex and tragic arc.