I forget what this anime is called?

[Rhi Rhi]

I was on youtube this one time, and i saw this really cute anime. And now I forgot the name of it. for what I had seen on youtube, it was a group of friends, boys and girls, I think they were in high school or elementary school. They were the best of friends, and a boy and a girl kind of had feelings for each other I think. The boy always gave her piggy backs. Please tell me if you remember what iit is called. Or if you know any anime similar to this