Riding his bike to school, Koichi accidentally runs over a bag that was in the road that had a cat inside. Koichi is instantly overwhelmed by what happend. Then suddenly, a man named Tamami Kobayashi appears. Despite it being an accident, he demands money from Koichi, saying that he'll use it to bury the cat. Koichi can't process what's going on, but Tamami keeps pushing that he can't just leave after what happened. Koichi is filled with guilt, and then suddenly, a giant lock pops out of his chest...
Now the weight of her guilt 
won't allow her heart to be free.
والآن عبء ذنبها لن يسمحَ لقلبها أن يتحرّر
Jetzt ist ihr Herz
von Schuld beschwert.
Ahora no podrá liberarse
por la culpa que siente.
Ahora no podrá liberarse
por la culpa que siente.
Sous le poids de la culpabilité,
sa conscience n’est plus en paix.
Tua madre non riuscirà a liberarsi
facilmente di un tale senso di colpa.
Agora o coração dela está preso
pelo fardo da culpa!