Takayuki has been put in charge for the promotinal campaign of the movie adaption of his childhood friend's novel. Wanting to create something great for his friend Motoharu, he get fired up about his assignment. However, unlike his motivation, the ideas are just not coming. In order to clear his head, he takes a break outside where he randomly runs into Motoharu, who reminds him of something very important.
So he writes his daily 
blunders into a diary,
،لذا يدوّن أخطاءه اليوميّة في مُفكّرة
damit sie ihm kein zweites Mal passieren.
donde escribe sus errores
para no volver a cometerlos.
donde escribe sus errores
para no volver a cometerlos.
dans lequel il avait écrit ses erreurs
pour ne pas les répéter.
su cui annota i suoi fallimenti quotidiani
Ele decide escrever
os vacilos num diário.
Он записывает их в дневник, но теряет
его, и так закручивается сюжет.