S1·E3 Then Devour Me Currageously

As Ringo contemplates making a special curry for Tabuki, Shōma and Kamba, having been reminded about Himari's fate if they don't cooperate, break into Ringo's house to search for the Penguindrum. After just managing to hide from her when she comes back home to prepare her curry, the brothers follow Ringo to Tabuki's house, where she finds another woman living with him. Ringo swaps the curry she was preparing with her own and runs off, where she runs into Himari who invites her to her house, much to the brothers' surprise. After eating together, Ringo returns home and confirms the events laid out in her diary.