It's been ten years since Honoka Kousaka was kidnapped. At this time the school idol group Aqours has disbanded but plans to do a reunion concert at the Akiba Dome. Chika Takami, the group's leader is now a successful solo recording artist. Dia Kurosawa has now become a game show host. You Watanabe, Aqours chief costume maker. Has become a swimming instructor in Numazu. Kanan Matsuura now runs her family's diving business. Hanamaru Kunikida became a popular writer and librarian at the same time.

Yoshiko Tsushima a.k.a Yohane has become a very popular fortune teller. Her predictions have been spot on. Mari O'Hara is the new owner of the club where Roselia is moonlighting as a singer. Ruby Kurosawa is in a relationship with Leah Kazuno and helps her run the Hakedote restaurant in Hokkaido. As for Riko Sakuraochi, she serves as Chika's official composer. While Sarah Kazuno is Chika's girlfriend. Eventually Riko became Yohane's girlfriend. Meanwhile the eight remaining members of Muse have reconciled with each other. They all decided to visit the grave of the girl whom they assumed is Honoka.

Little did they know that two women are just outside of the cemetery. Both of them waiting for the eight women to leave the graveyard. Kotori Minami is now a successful fashion designer. Umi Sonoda has become an award winning author. Hanayo Koizumi runs a restaurant but still keeps up with the school idol industry. Rin Hoshizora is now Otonokizaka High School's track and field coach. Maki Nishikino is now a successful doctor and is bound to take over the ownership of her family's hospital.

Eli Ayase is now a ballet instructor and has her own dance studio. Nozomi Tojo is married to Eli and runs her own flower shop. Nico Yazawa is now a radio talk show host after becoming a professional idol herself. In the meantime, Roselia Leone (Honoka Kousaka) has graduated from college and is now a full time underground singer. She took up law to help people who are either constantly oppressed or victims of heinous and non-heinous crimes. Her sister Yukiho Kousaka is now a member of the police force.

Even Tsubasa Kira is now part of the police force. Both women are in two separate cars. They're waiting for the eight women to leave the cemetery. So that they can visit the grave of the girl who got mistaken as Honoka. Before the remaining members of Muse leave they form a circle and did their traditional pre-performance countdown around the grave of their supposed fallen leader. And then they all shouted their pre-performance battle cry. After that they leave and get into four separate cars. The two women enter the cemetery and visit the grave of the mysterious girl. Both of them see and greet each other.

Yukiho: Fancy seeing you here Tsubasa-san.

Tsubasa: Likewise Yukiho-san.

Yukiho: Did you come to visit my "sister's" grave?

Tsubasa: Yes. I want to pay my respects for "her". I have been doing since the day "she" was buried here.

Yukiho: We both know that the person buried here is not really my big sister Honoka.

Tsubasa: Yes. I looked up the name of the stranger who is buried here.

Yukiho: So who's this person that looks like my big sister?

Tsubasa: Her name is Yukari Kisame. She's the leader of Arashi Academy's school idol group "The Wild Cats".

Yukiho: The school idol group that never got passed the preliminaries?

Tsubasa: Yes. She's the same age as your sister when she got kidnapped Yukiho-san.

Yukiho: I see...... I'm sure that the police might have missed that part during their investigation.

Tsubasa: Yes...... They left that out. It's been nice talking to you Yukiho-san.

Yukiho: Likewise Tsubasa-san.

After that conversation both of them offer silent prayers for the deceased stranger. Before they leave, both of them decided to make a vow on the grave of the deceased person.

Yukiho: "Big sister, I know that this isn't you who is buried in this grave. I know that you are still alive somewhere else. Wherever you are right now I will find you. As I sport your signature hairstyle. I vow to bring your kidnappers to justice. They will pay dearly for taking you away from us. And to you, the person who is buried here. I promise you that I will make sure your killers will either rot in jail. Or meet their maker if they choose to resist arrest. I will show no mercy to them."

Tsubasa: "Honoka-san, I have been told too many times to accept that you are no longer in this world. But I know that you are still alive. I assume that you are scared right now. Being kept in a secret hideout. Forced to work as a prostitute in some high end sleezy bar. I decided to wear my old black beret that I used when we performed together on the rooftop of U.T.X. Academy. I vow on the grave of this stranger to put a stop to the kidnapping activities of the group that has you now. If they resist I will not hesitate to kill them all."

Both women leave the graveyard and out of the cemetery. Neither one of them knows that they're police officers. It will only be a matter of days before they see each other again. And this time they will be working together as law enforcers. And they have one goal in common. To stop the kidnapping activities of the criminal organization that kidnapped Honoka Kousaka. And then bring back the girl that they love so much.

Time Skip:

Captain Sonoda is now promoted to Major after successfully busting a drug ring. He is now inside his new office sitting on his new chair. Moments later Mika is in front of his office. She has something of utmost importance to give to him. She knocks softly on the door.

Knock knock knock!

Maj. Sonoda: Come in!

Mika: Excuse me, Maj. Sonoda sir.

Maj. Sonoda: Ah Mika. Is that I think it is?

Mika: Yes sir. It is the surveillance photos from the auction ten years ago. By the way sir.

Maj. Sonoda: Yes Mika?

Mika: There are two new officers that will be assigned here to serve under your command.

Maj. Sonoda: I see...... Send them in immediately if you see them.

Mika: Yes sir.

Maj. Sonoda: *So my hunch was spot on. Honoka Kousaka is still alive. The question is. Where is she right now. And those two men who have her. Who are they? What are they doing at the auction? Did they buy Honoka-san? I guess the answer will reveal itself sooner or later.*

As Maj. Sonoda continues to look at the surveillance photos from ten years ago. A brunette haired girl wearing a black beret and a red haired girl sporting a side ponytail reminiscent of Honoka's signature hairstyle. Are now walking in the police station together. They got surprised to see each other again. Both of them decide to greet each other and exchange a few words.

????: We meet again Tsubasa-san.

Tsubasa: Yes Yukiho-san. It seems something is really making us see each other more than often.

Yukiho: Or it is safe to say that someone is really leading us to each other to find out where she is.

Tsubasa: I agree with you.

As the two women approach the receptionist. Their unlikely topic will soon make them accept the order to reopen the kidnapping case of Honoka Kousaka. And this will make both of them more determined to fulfill their vows that they made on the grave of the girl many assumed that it was Honoka Kousaka. And bring back the jolly ginger haired girl to where she truly belongs.