One morning, Seiji runs into Kounosuke while out on a walk. The two young men discuss recent affairs on Ryogoku bridge, but Kounosuke suddenly loses his balance and falls in the river, accidentally pulling Seiji with him and losing his precious seal box, Kogare-kou, that has been passed down in his family for generations. Kounosuke does his best to look for it, but to no avail. Meanwhile, another young man appears to have found Kogare-kou and demands a considerable sum for its return. With Kounosuke facing being disowned by his family if he cannot get the object back, Seiji and Oko do their best to help him raise the money with the help of the tsukumogami.
As for how wonderful he is, 
while Kobo Daishi was in training...
أمّا بالنّسبة إلى روعته، فعندما
...كان كوبو دايشي يتدرّب
Wie wunderbar waren seine Lehren?
Nun, während Koubou Daishis Training …
Era maravilloso,
mientras Daishi Kobo entrenaba…
Era maravilloso,
mientras Daishi Kobo entrenaba…
Vous allez être édifiés
par ce qui est arrivé
E se vi chiedeste quanto essergli grati, ebbene 
durante la sua formazione Kobo Daishi...
Sobre o quão incrível ele era,
enquanto Kobo Daishi treinava...
До чего же удивительной 
личностью он был.