Retasu meets a young man named Norihiro at the library. She falls in love with him and begins going there every day to see him. When he gives her a present, the girls encourage her to tell him how she feels. During their next meeting at the library, they are attacked by a chimera anima. Seeing Norihiro rush to protect the young librarian, Satsuki, Retasu realizes that she is the girl he really loves. The other Mew Mews arrive, but the monster begins reading a dull book in a hypnotic voice, putting all of the girls to sleep except the book loving Retasu. She transforms and defeats the monster. Later, she sees Norihiro gives Satsuki an engagement ring. Though sad at how her first love ended, she says she is happy she was able to love someone.