A Downpour, and then...

Chocotto Sister – Season 1

During a rainstorm Haruma gets a call from Ayano saying that she will be moving to the countryside with her finance. Noticing Haruma's depression Choco asks Chitose and Makoto for help, she eventually writes a letter to Ayano explaining Haruma's feelings about her, Haruma gets angry which makes choco run away. Haruma reads Choco's diary afterwards.