Investigating the mass teleportation leads Rudeus to seek out his most elusive classmate: the brilliant Silent Sevenstar. But when he calls at Silent's laboratory tower, he finds a familiar face that he didn't expect—and doesn't welcome.
And just so we're clear, 
no backing out later.
.ولنكن واضحين، ممنوع التراجع لاحقًا
Aber ich will hinterher nicht hören,
dass du dich umentschieden hast, klar?
Ni se te ocurra retractarte más tarde.
Ni se te ocurra retractarte más tarde.
Je préfère te prévenir,
il n’y a pas de retour possible.
Te lo dico subito, niente ripensamenti.
Já vou avisando que não
adianta querer voltar atrás.
Только учти,
что отвертеться потом не сможешь.
บอกไว้ก่อน ว่าห้ามมาบอกว่าเปลี่ยนใจทีหลังนะ