"Ria Misaki is a major character in the Japanese manga series ""Drug-Eating Genius Mage."" She is a teenage girl with long, black hair, pale skin, and piercing green eyes. Ria is a brilliant mage who possesses the unique ability to control and absorb various drugs and poisons.

Throughout the series, Ria is portrayed as a quiet and reserved character who prefers to keep to herself. However, she is deeply loyal to her friends and will go to great lengths to protect them. Despite her quiet nature, Ria is a fierce fighter who is not afraid to take on powerful opponents.

Ria's drug-eating ability makes her an invaluable asset to her team, as she can absorb and neutralize dangerous substances. This ability also allows her to enhance her own abilities, making her an even more formidable opponent.

Despite her powerful abilities, Ria has a troubled past and struggles with feelings of guilt and self-doubt. Her parents were killed in a drug-related incident, and Ria blames herself for their deaths. She also struggles with the fear that her drug-eating abilities will eventually lead to her own demise.

Throughout the series, Ria learns to overcome her fears and past traumas, becoming a stronger and more confident mage. She forms close bonds with her teammates and learns to trust in their strength and support.

In conclusion, Ria Misaki is a complex and fascinating character in ""Drug-Eating Genius Mage."" Her unique abilities and troubled past make her a compelling protagonist, and her growth and development throughout the series make her a character that readers can root for and relate to."