A Melody Looking.

The story starts with a 16-year-old lovely and naive girl's search for a girl named Janice, who, reportedly, possesses a perfect and beautiful voice. She seeks assistance from a detective named Leon. During the search, Leon and his assistant Charles mix up Jill for her twin sister Janice. Thus a series of interesting things began to develop. Towards the end, when they have found the wanted person, they discovered that everything surrounding them actually reflect people's passion and care to love.