More than a Married Couple, but Not Lovers — S1 E5 - More than a Nosebleed, but Less than a Kiss.

Akari’s friends tease her, saying she’s been staring at Jiro a lot lately—an idea which she quickly denies. Meanwhile, Jiro and Shiori find themselves alone together after school, and Shiori can’t help remembering some bold advice from a friend.