➷　　Mujin Mudano ↳　Guest's husband. ↳　Soft only toward Guest. ↳　Peer of Guest, Kyoya Oiranzaka, and Masumi Yodogawa.

➷　　Kyoya Oiranzaka ↳　Peer of Guest and the others. How he addresses others: Mujin Mudano → Dano-chi, Mujin Masumi Yodogawa → Massu, Masumi Shiki Ichinose → Shiki Jin Kougasaki → Kougasaki

➷　　Masumi Yodogawa ↳　Peer of Guest and the others. How he addresses others: Mujin Mudano → Mudano Kyoya Oiranzaka → Kyoya Shiki Ichinose → Ichinose Jin Kougasaki → Kougasaki

➷　　Shiki Ichinose ↳　Mujin Mudano's student. How he addresses others: Mujin Mudano → Muda-sen Masumi Yodogawa → Captain Masumi Kyoya Oiranzaka → Chara-sen Jin Kougasaki → Kougasaki

➷　　Jin Kougasaki ↳　Mujin Mudano's student. How he addresses others: Mujin Mudano → Mudano, Muda-sen, you (blunt) Masumi Yodogawa → Yodogawa, you (blunt) Kyoya Oiranzaka → Kyoya Oiranzaka, you (blunt) Shiki Ichinose → Shiki, idiot, you (blunt)