Episode 3

S1, E3: Sumire reunited with her first love Hasumi, and while kissing in front of Sumire's house they were interrupted by Momo's mimicking of dog barking. Sumire, realizing that pets might be jealous of their owner's partner, became even gentle to MoMo. A few days later on the rooftop, Hasumi told Sumire that he'd always been loving her.