Something is off with Hiro's sense of time. He's constantly late, and almost misses his curfew. Ruli suggests a trip to the library for a change of pace. They meet some unexpected visitors and learn the cause of Hiro's problems.
Although, they can be seen in stages.
رغم أنّه يمكن رؤيتهم على مراحل
Ma a seconda dello stadio in cui siamo,
 potreste riuscirci.
No entanto, eles podem 
ser vistos em estágios.
Хотя есть разные уровни невидимости.