Tsugunaga Momoko as  Kusanagi YuRi~

A Smart Nerd Girl Who Wants To Find Her Real Father..Only Her Mother  And Her Grand Parents Raise Her. She Have 1 Brother Named  Kusanagi Fuji. Her Step Brother (Yuri's Mother Adopt him when she saw  him at the front of the door) Hates Yuri But Inside He Wanted To Help Nerd Girl Yuri To Find Her Father. Some High Schoolers And Some Of Their Classmates Because Of Being A Nerd And hates Her For Being The Smartest Of The Class. She Is An Otaku..She's Cosplaying Anime Characters And really addicted to Anime Souvenirs. She Can Play Keyboards, Guitar And Drums.

Natsuyaki Miyabi as Kirihara Mizuna~

A Rich Girl Who have So Many Admirers, And Girls That Get Jealous at Mizuna..Mizuna Is A Beautiful Kind-Hearted Rich Girl~ Mizuna Grown On a Rich Family..At First She Didn't Know That She Is Only An Adopted Child..Because her Foster Parents Treat Her As A Real Daughter, A Princess Of The family. She Is An Kpop And Jpop Lover, She Is Attending Concerts And Loves Watching Dramas..It's Her Inspiration..^^Mizuna Is Called the School Princess/Class Princess Of Their School. She Can Play Bass Guitar And Guitar.

Suzuki AiRi as Yoshida ReikA~

A Boyish, Tough Girl Who Is Simply Poor..Nobody can't Beat Her At Words And At Strength..She Is Like A Monster When Angry.  Reika Have a Beautiful Kind Sister named Yoshida Saki. She love Sports And Anything About Music. Reika Is A Joker And a player Aof Their School..She Is Good At Tennis..She Can Play Drums, Guitar, Flute And Keyboards.

Mirai Shida as Shirofume Chizuru~

Chizuru Is A Kind Beautiful Girl..She Is A Friend Of Yuri, Mizuna And Reika But Inside..she's really insecure..And getting Jealous to Yuri, Mizuna and Reika...Specially Mizuna..But She Wants to Friends with the three because She's thinking that she might be popular too with just getting closer to the three. but Later On..She Betrayed the Three..Yuri, Mizuna And Reika didn't know that Chizuru becomes Katsura And Sakumi's Alliance trying to Put Mizuna, Yuri And Reika's career/dream. Chizuru can Play Guitar And Bass Guitar.

Sugaya Risako as Orihime Sakumi~

Sakumi Is A Bad Spoiled Girl From A Rich Family. Sakumi is Jealous At The three girls mainly Mizuna..She Thinks Mizuna Is Not Deserving to be the School Princess But Her. She gets All What She Wants..Even trying to Kidnap Mizuna By The Mid-Schoolers exchange for money. She can only Play Keyboards.

Yurina Kumai as Ayuzawa Marina (mina)

Mina is A Nice girl. She Betrayed The Three girls too By Saying that She's A True Friend Of Them But Lately Hanging up with Sakumi and It's other friends. Trying To Do What Sakumi Tell Her. Marina cries so easily that even someone tells her something and needs to do it..she have to do it..trusting so easily.

Toda Erika as Yoshida Saki~

A Very Nice Girl Who is Reika's Older Sister..She Is Very Honest And Wanted to help make Her Sister and It's Friends' Dreams Come true~.. Saki Has A Bad Memory..That Reika Is Supposed to Have it. 

Tegoshi Yuya as Kusanagi Takashi~

Takashi Is Yuri's Step Brother. Takashi Is Adopted By Yuri's Mother. At First..He Didn't know it..But Soon Yuri Began To Tell Him That Thing. Takashi Ran away from home .. But Ai (a friend of him) Tells her anything that will make him understand his situation..Then comes back at their home..He Is A High Schooler.. Can Play Bass Guitar.