(Internet slang) ban from a user account

a card game

galge (game centered around interactions with attractive anime-style girls)

fighting game (genre of video game)

Chinese whispers

rhythm game (genre of video game)

Used other than figuratively or idiomatically: see 一 and 本 (one thing) / Short for 一本勝ち (ippon-gachi, “winning in one blow”).

a comic book, a cartoon book

hardcore pornography; 'underground' pornography showing uncensored genitals. Technically illegal in Japan.

banned book