Watch Tenshi no 3P! Online

In a desolate and dark world full of shadows, lives one little girl who seems to do nothing but collect water in jars and protect a large egg she carries everywhere. A mysterious man enters her life... and they discuss the world around them.

Botan Ichige has just enrolled in St. Asmaria All-Girl's School where angels are said to live. It turns out that angels do indeed live there, and after an accident, an angel named Un offers Botan her halo as a snack. After eating it, Botan discovers it had some bizarre side-effects, causing her to regularly "give birth" to colorful mushrooms. Is this the life of an angel!?

Kyou Nukui is a first year high school student hikikomori. His hobby is making Vocaloid songs and uploading them online. One day, he receives a message from a fan asking if they could meet up with him. At the meeting place, three elementary school girls were waiting for him. The three of them want to form a band and ask for Kyou's help.