Dear, My Lover

About this title

If I can't have him, I wish nobody could. If only my sister could disappear...!" Felix, who fell in love with his sister's fiancé, Julian, knows she doesn't love him, but watching them from afar pains him. Felix, who wants to stay by Julian's side, gets a chance on the day of the wedding announcement.一 a possessive desire for Julian. Is it obsession? Or is it love?