personal grudge

Kyūjitai form of 私鉄 (“private railway”)

2.5D / (by extension, fandom slang) belonging to a grey area between "2D" (anime, etc.) and "3D" (live-action, etc.), such as voice actors

Alternative spelling of 五種競技 (“pentathlon”)

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

a male given name / a male given name

(sumo) official sumo tournament