A girl who was originally born in Dijon, France, but moved to Nagano, Japan at a young age. Cateline is a polite and sweet person, and does her best to be well-mannered with everyone. Sadly she would often get concerned of those who she is close with, forgetting of herself and her well-being and would often avoid any form of confrontations.

She is famously known as the Ultimate Painter, thanks to her portrait's that got quickly recognized by many well-known individuals who commissions her, as well due to her participating in art related events and charities that gave her the oportunity to exhibit her paintings in multiple establishments all around Japan.