歌姫先生と硝子先生で買い物中に偶然通りかかった五条先生がちょっかいを出しに来たの図、この直後店内に歌姫先生の怒号がとぶ

Utahime-sensei and Shoko-sensei are out shopping when they happen to stumble into Gojou-sensei, who had come by to mess with them. Shortly after, the store was filled with Utahime-sensei's angry shouting.