Nai, a talented but reserved university student, begins his college life with a mission-to find his twin sister, Nao, whom he lost contact with over a decade ago. Shortly after starting school, he meets Sky, a mysterious and captivating individual who will change his life. As their bond deepens, they uncover a hidden connection from the past. "I can't face the fact of them being together, but I also can't deny my sister the happiness that she deserved." A/N: You might find it so dramatic, but follow on the story and you might enjoy it along the way.