Erika Amano is the main female protagonist of the franchise. She is a popular IG celebrity who is the biological daughter of the family that raised Nagi. She first meets him while taking videos at a park, and makes him pretend to be her boyfriend to escape from an arranged marriage. Her parents arrange for her to be engaged to Nagi and for them to live together in a single house. After her school discovers the pictures she took with him, she is forced to transfer to Nagi's school.
