The Gemini Princess wants me to confess my feelings

In a world parallel to Tokyo, a young man awakens to find himself orphaned and hunted by the yakuza. However, his circumstances take a turn for the better when he is adopted by a prominent family. Now, he finds himself surrounded by two endearing twins, who also happen to be his childhood sweethearts. As he navigates this new reality, he is faced with a daunting question: to whom will he confess his feelings, his twin sister or the charming music teacher from outside?