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

Kogenta
Main
Byakko no Rangetsu
Supporting
Enoki no Sanemaro
Supporting
Hiiragi no Horin
Supporting
Hiiragi no Toubee
Supporting
Houjou no Nene
SupportingRecommended for you
Head Start at Birth
TV
3m
The Outcast 5th Season
ONA
23m
Peerless Battle Spirit
ONA
10m
Grendizer U
TV
23m
Red Cat Ramen
TV
23m
Midnight Punch
TV
24m
Dungeon People
TV
24m
Sakuna: Of Rice and Ruin
TV
24m
Sengoku Youko 2nd Season
TV
24m
Shy Season 2
TV
24m
Plus-Sized Elf
TV
11m
Bye Bye, Earth
TV
23m