Girlfriend is angry because her boyfriend has got an obsessive idea – he wants to go to Japan. What influenced his decision? Wasn’t it that Japanese singer Hatsune Miku? Okay, let’s watch the concert and then find out the truth. Boyfriend and Hatsune are performing on stage now, so it’s not the right moment to start a fight. Unless it’s a battle of songs. Help the boy become a super star and get the audience’s love. Hatsune is already popular, so she’ll live. More applause for Boyfriend!