let's see what you've got; show me what you've got

Short for 漫画研究会 (manga kenkyūkai).

cruel and ruthless

cruelty and ruthlessness

a surname, originating from Okinawa

(obsolete) The hentaigana syllable that is used to represent sa in old Japanese text.

(right of) choice, option

Kyūjitai form of 選択権 (“(right of) choice, option”)

Kent (a city in Washington, United States)

the Tokyo metropolitan region; the area surrounding and including the capital of Japan in Eastern Tokyo