Miku is 16 years old and is a popular idol in Japan. She is in love with her best friend's brother, Len Kagamine. Len is a 14 year old that is a popular idol, along with his twin sister, Rin Kagamine. He is in love with his sister's best friend, Miku Hatsune. Everyone in the Crypton group knows their feelings for each other, even Rin! Rin is highly annoyed by this and plays the role of being Cupid, before it's too late. "Just confess already!!!" [LenKu oneshot]