Ao no Exorcist Wiki
Advertisement
Ao no Exorcist Wiki
Yu-cker

A bottle of Yu-ker

Yu-ker (Yu-keru) is a health tonic containing various herbs and caffeine.[1] It is Yukio Okumura's supplement of choice to cope with his stressful life.[2]

Trivia[]

  • Yu-ker is a parody of the real life tonic Yunker.

References[]

Advertisement