Koko

Koko used to be Sherry's closest friend. She was a very happy, kind hearted person who tried hard not to feel depressed with life. when Sherry tried to drown herself due to her mother's harsh words, Koko saved her. she encouraged Sherry to not throw her life away when times were harsh because there's always light at the end of the darkness.



(Source: Zatch Bell! Wiki)