不純異性交遊 ふじゅんいせいこうゆう Meanings Noun illicit sexual relationship Kanji 不 un-. Read as フ. 純 pure. Read as ジュン. 異 different 性 nature. Read as セイ. 交 exchange. Read as コウ. 遊 play. Read as ユウ. Jinuma: Japanese Dictionary · Word lists