彼女がいながらも浮気しました。その後、2人同時に付き合うことになりました。二股相手と彼女が姉妹だと家で鉢合わせして知りました。
He cheated on his girlfriend. After that, he started dating two women at the same time. He found out that the two women he was cheating on were sisters when they ran into each other at home.
