角川: a surname

独自: independent / 独自: unique

独自: being original / 独自: uniqueness

sound of heartbeat

throbbingly, such as with a throbbing heart

(onomatopoeia, often as どかんと) with force or vigor, producing a loud sound; with a bang or thump / (onomatopoeia, often as どかんと) with force or vigor, in great amounts

宿直: night duty

直喩: simile / 勅諭: imperial instructions / 直輸: direct import or export

game / video game

tic-tac-toe; noughts and crosses; X's and O's