|Physical and Vital Statistics|
|Manga||Volume 1 Chapter 1|
Aki Tezuka is a friend of Erika. Her boyfriend's name is unknown and he is an adult. He wears red color glasses and he has a brown hair. She is best friend's with Marin Tachibana. She enjoys causing a lot of fight's at first and always tries to catch Erika's lies out at first however Kyouya teaches her and Marin a lesson in the cafeteria when they try to "interfere".
However later on herself, Marin and Erika become good friends and Erika confesses to Marin and Tezuka that at first her and Kyouya dating was a lie just so she could be friends with the two of them and just because she wanted to fit in. Marin and Tezuka already sort of knew somehow as they could tell from the way Kyouya and Erika were acting strange so they were just happy for her and asked her all the little girly details of how it all happened.
Tezuka's boyfriend is moving away to work in England and Tezuka is extremely upset however Kyouya and Erika and the rest try to be there for her and her boyfriend and Kyouya tells Tezuka's boyfriend if it was him he would definitely either take his girl with him or stay here with her as he smiled and remembered Erika and Erika deep down worried about what she would do if this happened to her and Kyouya and this is also seen foreshadowing their future in the manga as Erika has to make a big choice of either staying with Kyouya or moving away to Kyoto to live with her aunt to complete her studies and to become a glass maker. So although Tezuka and Marin are supporting characters and have minor roles each of them help Kyouya and Erika's relationship mature.