The comment about an inrō on page 9 is a reference to the long-running jidaigeki (period drama) TV series about Mito Kōmon (水戸黄門), which ran for 42 years. In the series, the titular Mito Komōn carries an inrō with the seal of the Shōgun, which he displays at the climax of each investigation, to...
Regarding that TL question on the last page...
Mameyama says "丁重にカートから出して下さい", which I'd translate as "Please be so kind as to remove it from the cart".
Normally, when you preface something with "丁重に", you're making a formal request (like prefacing something with "Respectfully,..."). Hence...
The poem translations of MYS 3245 and 3246 are okay, they more or less hit all the right spots. Here's the Keene edition from 1940 (Nippon Gakujutsu Shinkōkai /Columbia Press):
[3245 chouka]
O that the bridge to heaven were longer,
And the lofty mountain loftier!
Then I would fetch and offer...
Remarks on translation note, page 21 -- According to the WN, the contents of the bottom right box on Toa's status are:
固有魔術:[Skills]
稲妻の嵐 [Lightning storm]
稲妻の嵐剣 [Reads as "Lightning storm sword", but furigana say: Lightning phase]
装備品: [Equipment]
潜伏のローブ [Concealment robe]
魔術: [Magic]...