Right before the future of the year 2046 and later Yeon had to return to the past where they can see that Ichinose had summoned the Lord Nine Tail Fox while Future Vice had to snap his finger and it change his suit.
Yeon: Ichinose...why am I here again?
Ichinose: I'm sorry but I will summon you once again before they know that you were here with me
Yeon: of course, I will but can I talk to Future Vice in private time
Later Ichinose led him to talk to Future Vice but went he had to see that Future Vice had his past self from the year 2023 and he had dragged both of them into the dressing room where it have Yumiki Nao who was inside the room.
Future Vice: Yeon what did you want to talk to us both
Vice: wait...why did you drag us here inside the dressing room?
Yeon: I'm sorry Vice you need to go inside into the Future Vice body I can't let you live
Suddenly, Future Vice had absorbed Vice inside his body but Yumiki Nao had let go of him and she didn't care about that anymore and just had the Future Vice inside the room.
Yumiki: Yeon did you have anything that can change back to your nine-tail fox form
Yeon: Ichinose...can you let her tell something that she is not wrong right?
Ichinose: yes that is correct that was Yeon who is the Lord Nine Tail Fox are you not
Back inside the dressing room where had to see that Yeon had to tell them something about his power secret he want to show something to the Nogizaka46 idol member to Yeon.
Yeon: Ichinose...had to tell that Ayame had is your crush future or the past self
Ichinose: she is my crush who had to stay beside me until the end of time with me
Yeon: oh I think I want to go somewhere else but I will tell you all about who I was
Out of the blue, Yeon had to go to see someone and he want to see the Sakurazaka46 idol member and she are very happy to see him in person.
Yeon: good to see you again, Riko.
Riko: Yeon what are you doing here wait did you see me back here this year
Yeon: I want to bring you over to see Ichinose Miku from the future year 2046
When Yeon and Endo Riko had to come back to the Nogizaka studio later Ichinose had to high-five Endo Riko she is here to see that we have someone who is here to see that Yeon had a sister and it was Endo Riko and his sister the Sakurazaka46 idol member.
Riko: Yeon...you didn't say that Ichinose Miku was Agent Miku from the future year 2046
Ichinose: yes I am but why are you so I'm shocked about it there Riko
Riko: did you just say my last name
Flashback went Yeon and Ichinose had to show them how she had to hire him and she protects him and Ichinose makes some promise to let him destroy his planet or maybe take some great revenge on someone who is here to damage Ichinose Miku's house from the future.
Yeon: Riko...is my sister from the past but I was back here to see my sister right?
Riko: I thought we lost you where did you just back come here to visit me here in the year 2023
Yeon: I just want to say that I do miss you that much but don't worry I will protect you
In the meantime, Endo Riko and together with Yeon who are here to visit her back from his trip to leave the future and are dragged onto his shoulder and get to introduce some of her gen members to him.
Riko: Yeon...there is something to let you get to greet with them
Yeon: sure I would love to Riko
Reina: Riko who is he and he was so dangerous handsome guy I ever meet in person
When Yeon had to kneel in the studio and we have to speak to his sister and she are seeing that it was Ichinose Miku who are giving something to give Riko and Yeon to have some time with each other.
Ichinose: Riko...it is for you
Riko: what it is, Ichinose?
Yeon: it is for your charm to protect by someone super dangerous than me Riko
Before Ichinose Miku left the studio of the Sakurazaka46 and let them speak to Endo Riko and others can have greeted him in person or one by one to talk to Yeon.
Yeon: hello there what is your name then?
Reina: my name is Odakura Reina and just call me Reina there Yeon
Yeon: nice to meet you Reina and here please take this
While Reina had to see that Yeon had to give something to the member of the 3rd gen member and she are happy to see that Reina had to look at what he had to give to her some times of the day to have some space to have them have some alone time with Yeon.
Yeon: Riko...I want to invite you on this can you follow me to see the universe planet it will be fun
Riko: yes I do I will follow you and have some great fun but can I at least take some of the pictures where you take me in the universe
Yeon: yes of course you can take some of a few universe
Meanwhile, Yeon had to take over and Ichinose Miku had to shield the Sakurazaka46 idol member are the 3rd gen member to have some kind of hero who is here to see that Yeon and Ichinose had some power to save Riko and Reina with their hero and Lord power inside each of their body.
Yeon: Riko...are you okay?
Riko: yes I am fine but you got some cut on your lips
Yeon: oh it was nothing but it will heal any minute
Later Yeon are taking Endo Riko are take her to see the universe planet and with him to take some pictures together with him.