RustlingReprisal's manga / #Webtoon(105)

Two twins, separated but miss each other, get into a world of trouble. One with ESP powers is dead and the other that inherited those powers finds turmoil and love on his quest to see his brother himself.

An emotionless killer and a prostitute yearning for love meet. Sad ending.

Two lone souls find themselves being friends, losing contact, and then falling in love when they meet again in the future.