Lost and Found (RinXLen One-shot)

Miku, Rin's best friend, has a "lost and found" business. First Rin couldn't care less and she turned her friend down. But when her and Len's birthday comes and Len suddenly disappears. Miku is her only chance to find him... This is a one-shot for the birthday of Rin and Len. One of my many ships! Happy birthday Rin a...