Her name is Lucy, A childhood friend of him, she would love to play video games and sleep at her friends house, her age is 16 the same as her childhood friend, she would often invite her friends to go to the mall she promised that since they were a kid that one day she will marry him but the childhood friend forgot that she ever made that promise, she is very smart and love to play games, she want to make her childhood friend fall in love with her she is a tsundere to only him dirty minded lewd