Before Kosaka can see that Yakubo had done something with Yamasaki and Sugawara but now they were follow together with Yakubo same with Renka alongside her.
Kosaka: Tamaki follow us to the Hinata studio
Tamaki: okay see you guys later
Yakubo: don't worry about me, Tamaki
When Tamaki follows Kosaka back to the Hinata studio and later 3rd gen members are worried about her health being too long with Yakubo's side.
Haruyo: Tamaki where have you been all-day
Tamaki: sorry it's all my fault turn Yakubo into someone else
Morimoto: did you turn her back to remember her member name then
Tamaki shakes her head and she can't change back to her past self because she was about to die of the thing she does to other members.
Tamaki: I can't turn back herself ever again
Mikuni: what did you mean that, Tamaki?
Kosaka: you were saying that Yakubo is controlling her data
Tamaki nodded and she was scared been scolded by Kosaka Nao they went back to the Nogizaka studio and tell others about past themselves on Yakubo's side.
Tamaki: why are we here Nao
Kosaka: we are because to find some clue
Hinano: can we help too as well
Later the 3rd gen member joined them finding some clues about Yakubo Mio's past and why did she change herself to be so harem with all girls around her.
Haruyo: what are we looking for again?
Yakubo: stop right there are *grabs*
Tamaki: woah...what are you doing here?
Out of the blue, Yakubo can into a harem but she is not a harem anymore and she is more dangerous herself.
Tamaki: wait...Yakubo you going to lose control of your data
Yakubo: I don't care anymore about your project and I did lie about that too
Kosaka: you see that something strange on her thought
Suddenly, Yakubo let go of part and went back to the TBS studio and lock herself inside the room, and waits for something is going to happen to her.
Kosaka: what is going to happen with Yakubo?
Tamaki: I don't know this thing is kind of new one
Haruyo: please help Yakubo and Endo Sakura are worried about her
Right before other had come back to the TBS studio and see that Yakubo went into berserk like crazy.
Sugawara: what happens to Yakubo?
Tamaki: she is madness looking at her it is all my fault
Kosaka: I will scold you later but right now I need to do something about her
Endo Sakura had to stop Kosaka to go inside the room and help Yakubo from hurting us.
Sakura: please Kosaka let me help her
Kosaka: are you sure about this Endo
Sakura: yes I'm sure and you can open the door room for me, please
When Kosaka was open the door for Endo Sakura to enter inside to see that Yakubo was shouting and everyone are close both their ears tight.
Sakura: Yakubo please look at me
Kosaka: you need to hug her tight now
Sakura: okay I will do it right now Yakubo!!
Meanwhile, Endo Sakura was going and rushed toward Yakubo, and suddenly, Yakubo calm down she looked at her in shock but she was saying to her.
Yakubo: Saku-chan...is that you? *collapse*
Sakura: Yakubo...Yakubo wake up, please
Tamaki: let me check her viral please wait for a while
Once Tamaki was checking her viral and suddenly, she notice that she had her heart disease was back inside her body.
Tamaki: oh no that's not good at all
Sakura: what it is, Tamaki?
Tamaki: Yakubo Mio had her disease back and she need to go to the hospital quick
A few months later we lost Yakubo Mio and she was passing her year later but all of her members are sad to been lost an idol member and not Endo Sakura.
Ogawa: how is Saku-chan doing so far
Sugawara: not great but she hasn't eaten a single thing
Nagi: let me talk to her
When Inoue Nagi was going to the stairs and she see a figure standing in Endo Sakura's dorm room just looking at her.
Nagi: who are you? and what did you want from Saku-chan
Sakura: Nagi...? who are you talking to
Nagi: that's weird I thought I talk with some figure
While Nagi had felt some light body of hers being knockout in front of Endo Sakura who was lost her friends have heart disease.
Sakura: Nagi...can you hear me?
Sugawara: what is going on here?
Sakura: Nagi just fainted went I talk to her
In the meantime, Nagi was inside the dream where she can see Yakubo go to heaven but she has to stop her from going to heaven just yet.
Nagi: wait...Yakubo don't go Saku-chan need you
Yakubo: no Saku-chan needs you Nagi but I can give you some light power
Nagi: power you mean...
Without any sound coming from Yakubo and she went straight to heaven and meet her grandparent before that Nagi had awake up at the hospital.
Nagi: where am I? *shocked*
Sugawara: oh my god you had waked up but you had been in a coma for 9 months
Nagi: I was in a coma for 9 months you say, Sugawara?
Sugawara just hug her and meanwhile, another member had reached here to see Inoue Nagi and she can feel to see Tamaki and Kosaka at the hospital.
Nagi: um...Sugawara can you call Kosaka and Tamaki to come here
Sugawara: why did you want to talk to them
Nagi: yes I am it is important Satsuki!!
When Nagi was saying to her by Sugawara's nickname and she suddenly, stand up and call them went the Hinata member that reach the hospital and see that Yakubo had to give her power to Inoue Nagi's body.
Tamaki: I see you had Yakubo power on you now
Kosaka: wait...up you mean that Yakubo had passed on to Nagi now
Tamaki: yes she did but she is resting in peace now
Back at the Nogizaka studio had to see that Nagi had to discharge from the hospital Sakura go and rushed over to her and give her some sweet kisses on her lips while 5th gen members were in shock at that moment.
Sakura: welcome back Nagi I've been worried about you
Inoue Nagi just feel closer to Endo Sakura but Yakubo had to give her power to me for a reason why that to protect her from harm.