綱の(つなの)伯母(おば)(実は(じつは)鬼(おに))

A few days later, while Tsuna kept his gates closed as advised by a priest to 'let no one in for seven days', his aunt visited from afar. Earnestly begged, 'Please let me take a look at the demon's arm', Tsuna could not refuse and opened the box to show her.