The Day of a Cold, Hanzō's Situation

Sumomomo Momomo - The Strongest Bride on Earth – Season 1

Both Kōshi and Hanzō come down with a cold, though Hanzō is almost completely ignored by Iroha in favor of Kōshi. Hanzō gets very jealous of Kōshi and starts tormenting him by impersonating him and others in order to harm Kōshi.