All his life, Riku Tachibana has been raised by his grandfather. For some reason, the old man has always been fond of strange hand gestures, and they've rubbed off on Riku, who performs them almost subconsciously, to his classmates' great amusement. One day, however, it suddenly becomes clear to Riku what his grandfather has been surreptitiously teaching him. And the teachings could mean the difference between life and death for Riku.
(Source: ANN)+ More
Characters & Voice Actors

Asuka, Yuuma
Main
Kim, Yeong Seon
Korean
Kogenta
Main
Aida, Sayaka
Japanese
Oogami, Masaomi
Main
Takewaka, Takuma
Japanese
Tachibana, Riku
Main
Fukuyama, Jun
Japanese
Yoshikawa, Yakumo
Main
Morita, Masakazu
Japanese
Byakko no Rangetsu
Supporting
Miyake, Kenta
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