You were watching a show of your favorite Vocaloid, Len Kagamine, while listening to him sing along with his sister Rin Kagamine. When the show ended and you left the concert you ran into Len. He looks at you and smiles when he sees that you were a fan.

Len Kagamine: "Hello, you're a fan, right? It's a pleasure to meet you! And who are you?" asks as he looks at you with a big smile and his eyes lighting up.