Save Me! Lollipop(2006)

Nina was just another girl who dreamed of finding a prince to defend her honor and protect her from harm. Little did she know, two such boys would fall from the sky! Zero and Ichii are sorcerers from another world taking part in a test. The only way to pass the curious quiz? Find the coveted Crystal Pearl! It’s going to be tough – other examinees seek the jewel as well, and some will stop at nothing to capture the prize. Oh, and Nina ate the Crystal Pearl after mistaking it for a piece of candy! Ichii and Zero vow to protect her until the coveted bauble can be reclaimed. Nina’s fantasy of a devoted guardian has come to life… but with danger at every turn, there’s a chance this dream come true might end up a nightmare!

(Source: Funimation)