Naisho no Tsubomi

Tsubomi Tachibana is a fifth grader dealing with rather sensitive issues such as her mother's pregnancy, her first period and the strange feelings she has started to get when she has been around boys. (Source: ANN)Tsubomi is a little girl who is in the process of growing up. The show follows her as she discovers many things about life, she likes a boy for the first time and for example learns where babies come from when her mother is pregnant again.