Ex-girlfriend
01
元カノ, 元彼女
a woman who was previously in a romantic relationship with someone but is no longer together with them
例
After their breakup, he and his ex-girlfriend decided to remain friends and stay in touch.
別れた後、彼と元カノは友達のままでいて連絡を取り合うことに決めた。
He introduced his new girlfriend to his ex-girlfriend at a social event, and they all got along surprisingly well.
彼は新しいガールフレンドを元ガールフレンドに社交的なイベントで紹介し、彼らは驚くほどうまくやった。
