Nure nure zangyō: Ochiru hitozuma jōshi

Original title: ぬれぬれ残業 堕ちる人妻上司

Miyako works as the acting director at the judicial scrivener's office run by her husband. Nobuo, a cleaning lady who is dating Fuuko, who answers the phone at the office, is slacking off when Miyako comes in and mistakes her for Fuuko...