エーけい A系 LinksSentence search for A系Sentence search for エーけいSentence search for エー系Kanji details for 系Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. Akihabara style; nerdyAbbreviation, Slang, See also 秋葉系Other formsエー系 【エーけい】 Discussions Log in to talk about this word.