The boy Yotsuya saved in the Chinese restaurant, Torii Keita, turns out to be the fifth player. They're sent to the alternate world again, and after receiving the fifth quest, they head for Cortonel to track down some leads. There they find Kahvel, who is now a mother. The party is shocked to learn that 15 years have passed since their fourth quest, but that isn't the only thing that's changed in this world.
Do a good job, and you can pay 
off your debt in a month.
أبليا حسناً وستتمكّنان من ردّ
الدين خلال شهر
Wenn alles glattläuft, könnt ihr in
einem Monat eure Schulden zurückzahlen.
Si lo hacen bien,
habrán saldado su deuda en un mes.
Si lo hacéis bien,
saldaréis la deuda en un mes.
Si vous vous débrouillez,
vous rembourserez vos dettes en un mois.
Comportatevi bene e potrete ripagare 
il vostro debito in un mese.
Se fizerem direitinho,
pagam sua dívida em um mês.
Справитесь — выплатите
мамашкин долг через месяц.