Moroha accepts a job to slay Konton, a member of the Four Perils said to have defeated Meioju, a demon beast with the ultimate armored shell.
One koku, a year's worth, is ten tou,
كوكو واحد، ما يعادل سنة، أي عشرة تو
Ein Koku …
Un koku vale un año, diez es tou,
cien shou, o mil gou.
Un koku vale un año, diez es tou,
cien shou, o mil gou. 
180 litres de riz…
Un koku...
Um koku são dez tous.
Então cem shous são mil gous.
Один коку...