S01E23 — You, Going Around, Me

After visiting the hospital, it is confirmed that Kotoko is indeed pregnant. Oba-san throws a party, Kotoko's and Irie-kun fathers both look up baby names, even Yuki is excited though he tries not to show it, but is later seen with toys for the baby. After the party, Kotoko-chan and Irie-kun enter their bedroom, Kotoko is a bit worried and questions Irie-kun on what he thinks about her being pregnant, if he's happy about it or not. Irie-kun calls her an idiot and hugs her saying he is very happy. Going into work, Kotoko's friends put her into doubt about Irie-kun's loyalty to her. As Kotoko spies on him (with Oba-san spying on both Kotoko and Irie-kun) she sees him talking and laughing along with a young nurse. Kotoko then sees Irie-kun talking to Yuuko Matsumoto who it seems...