Len Kagamine is a high school student. His twin, Rin Kagamine loves her younger brother and is protective of him. Until Kaito showed up. Kaito and Len hung out everyday and Rin was getting jealous of Kaito. She goes and tells her friend, Miku Hatsune about it. She tells her leave it alone he still loves you. Kaito is 17 and Len is 16. Miku is 16 and Rin is 17.All Rights Reserved