Mei attends a party as a geisha to help Otoyakko. Kyoka is also unwillingly roped into dressing up as a geisha to repay burning the tatami mats. On this evening, a party called a "popular party" is being held at the behest of Iwasaki Tosuke, and Yakumo, Fujita, Syunso, and Ougai are among those in attendance. Mei, who has been undergoing fiancée training, does her best to entertain the other guests while avoiding running into Ougai.
you'd make a careless mistake 
with someone important.
No puedes cometer errores
con los más importantes.
No puedes cometer errores
con los más importantes.
senão você faria alguma besteira
com alguém importante.
ты могла бы плохо обойтись
с важной персоной.