noun, noun which may take the genitive case particle 'no'
Akihabara style; nerdy
Slang abbreviation of 秋葉系 (Akihabara-kei), referring to the subculture, fashion, or otaku style associated with Tokyo's Akihabara district. Often used attributively with の.
See also: 秋葉系
彼のファッションは完全にA系だ。
His fashion is totally Akihabara style.
A系の店で買い物するのが好きだ。
I like shopping at Akihabara-style stores.