Pucca: Funny Love(2000)

Jjajang Sonyeo Ppukka

Pucca is a cute and energetic 10 years old Korean girl. Working as a delivery girl for the restaurant of her parents, she has one love obsession, Garu, and will do anything to kiss him!

Garu is an aspiring ninja, often followed by his cat Mio. He's shy and always have to try to escape from Pucca's traps. But she will absolutely never give up!

Good thing both of them like chocolate!

(Source: AniDB)