At the kind of convenience store you could find anywhere, with the same part-time workers you would find anywhere, there is one employee who is... different. But what exactly is going on with the mysterious Mutou?
H-Hi, I'm Otsuka. I'm still in training, but...
...مـ-مرحباً، أنا أوتسكا. ما زلتُ أتدرّب، لكن
Ä-Ähm … Ich bin Ōtsuka.
Oye, soy Otsuka.
Aún estoy en capacitación…
Oye, soy Otsuka.
Estoy en mi periodo de prueba…
C-Ciao, io sono Otsuka. 
Sono ancora in prova, ma...
O-Oi, eu me chamo Otsuka.
Ainda estou em treinamento, mas...
П-привет... Я Оцка,
пока ещё только стажёр...