Trivia / Kiss That Kills

• The Cast Showoff:
  • The songs played by Harumi the homeless guy are performed and sung by the actor Masaki Suda himself. The series's ending theme "Sayonara Elegy" is also by Masaki Suda, a single from his debut album PLAY.
  • Takauji is shown being able to ride competently and participate in Yabusame (horseback archery). The actor Mackenyu learned horseback riding and Yabusame when he was 7.