Jakurai goes to Nagoya to look for clues about TBH and runs into Hifumi and Doppo. Hifumi is working at the Nagoya branch of the host club. When they hear that club patrons have info on TBH, Jakurai, Ichiro, Kuko, and the others go help out at the club.
Doppo, as long as you don't give 
up, you're sure to find your path.
دوبّو-كُن، ستعثر على طريقك
.ما دمت لن تستسلم بكلّ تأكيد
Doppo, solange du nicht aufgibst,
Doppo, si no te rindes,
algun día encontrarás la solución.
Doppo, no te rindas,
seguro que lo consigues.
Tant que tu n’abandonnes pas,
tu trouveras une solution, Doppo.
Doppo.
Doppo, desde que não desista,
com certeza encontrará o seu caminho.
Доппо, пока ты не сдался, надежда есть.