• 
  Mari Nishio

  5 episodes, 2018
• 
  Ryô

  5 episodes, 2018
• 
  Ikkei Watanabe

  5 episodes, 2018
• 
  Tomoya Nakamura

  5 episodes, 2018
• 
  Erika Toda

  Sana Sakurai
• 
  Daisuke Miyagawa

  5 episodes, 2018
• 
  Kosuke Suzuki

  5 episodes, 2018
• 
  Chad Mullane

  5 episodes, 2018

• 
  Kunihiro Kawashima

  5 episodes, 2018
• 
  Daichi Saeki

  5 episodes, 2018
• 
  Minami Hamabe

  5 episodes, 2018
• 
  Rina Kawaei

  3 episodes, 2018
• 
  Takanori Iwata

  Naoya Ukai
• 
  Tomoyuki Iwata

  Koji Makita
• 
  Kyosuke Tani

  Yokoyama

• 
  Meikyô Yamada

  Balliston Hotel Tokyo's General Manager
• 
  Yûichi Haba

  Tomita
• 
  Chieko Matsubara

  Kanako Sasagawa
• 
  Ai Yoshikawa

  Akane Tajima