Muhyo and Roji visit the home of Shiratori Aya, a client who says a black shadow has been playing her piano at 2:00 AM every night. Muhyo concludes that the shadow is a vengeful spirit born from countless people who envy Aya's talent, but in fact... Later, a package arrives at the bureau for Roji, containing a "magic-sealing pen" and an invitation to take an exam for a promotion to first-class secretary. Then Nana enters with a photo she took of a spirit on a pedestrian bridge...
That's right! It has to be 
immediately after it's written,
...صحيح، يجب أن يتمّ ذلك بعد الكتابة فوراً
Stimmt ja, er wirkt nur
¡Es cierto! ¡Hay que usarlo
apenas lo escribes o no funciona!
Mais oui ! Un talisman écrit
à l’avance est inefficace !
Giusto! Devo usarlo subito dopo averlo scritto,
Isso, tem que ser logo depois de escrito,
Точно... Писать нужно
прямо перед применением,