What is the name of this Anime?. I saw a picture of it on Funimation.com.

While I was on Funimation.com this picture showed up and it đã đưa ý kiến Win a 1 năm subscription. Play OMG cute cầu vồng Saga to enter. Ok so what is the name of this Anime?. hoặc is it called Cute cầu vồng Saga?. I really don't know. I need some help. Thank bạn for your help in advance. :)