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...
This letter serves as a summons to undertake 
the Association's Promotion Exam.
هذه الرسالة استدعاءٌ لك لإجراء
امتحان ترقية الرابطة
dieser Brief dient als Einladung
Esta carta es una invitación
al examen de ascenso de la Asociación.
Cette lettre tient lieu de convocation
à notre examen de promotion.
con questa lettera La convochiamo
a sostenere l'esame per la promozione.
Esta carta serve de intimação para realizar
o Exame de Promoção da Associação.
Этим письмом мы предлагаем Вам пройти
квалификационный экзамен от Ассоциации.