The Reservoir (E10)

It's a lazy day at Souta's house when Nakajima abruptly reveals that his mother guilted him into agreeing to a marriage interview. He's thirty and still single, and Souta's stuck in the same boat. Rinko on the other hand is already married, but not exactly a perfect homemaker. So when she offers to make the boys lunch, they realize she's acting strange... (Crunchyroll)