Angel Beats! Spin-off!! Traveling Tenshi-chan

Kanade Tachibana is a cute girl who is called "Tenshi-chan" at school. She traveled all over the country in search of "someone". During her travels, when she stops by Kanagawa, she meets Yuri Nakamura, a lively and cheerful girl. People who look a lot like SSS members also appear on the road!? Will Angel be able to find "a certain person"...?