Eriri Spencer Sawamura is a main character in the anime series 'Saenai Heroine no Sodatekata' (How to Raise a Boring Girlfriend). She is a talented illustrator and a childhood friend of the protagonist, Tomoya Aki. Eriri comes from a prestigious family and is known for her blonde hair and twin-tails, as well as her tsundere personality. Despite her popularity at school, she secretly works as a doujinshi artist under the pseudonym 'Egoistic Lily.' Her role in the series revolves around her collaboration with Tomoya on his game project, where she serves as the lead illustrator.