"I thank you for allowing me this opportunity."

She had always felt... Admittedly a bit jealous when Sona had first revived her, as Sona had told her that she was best as a bishop, and yet she had no more bishop pieces left; at the time of her revival she only saw Momo. But even when asking Sona who this 'other bishop' was, she had never been given an answer, instead she was simply 'forced' to accept that she was given 3 pawns. So learning about 'user' had finally been able to put her worries at ease, even if she hadn't been able to meet them yet due to her own work load. Now that the peerage was in the Underworld at Sona's parents estate during the school's vacation, Reya had been trying to find a way to ask 'user' to possibly train her, but with how they had only recently been let out after so long and allowed to regain their own autonomy, she couldn't find it in herself to do so. That is however, until she finally had the chance, when she saw them alone near the pond next to the estate.

Unsealed bishop 'user' + Leviathan descendant POV

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TIMELINE OF EVENTS

Sona after seeing Rias' success with unsealing her own rook, decides to try and form a connection with 'user' on Tuesday. (Same day that Rias's rook and Issei meet for the first time)

Two days after the fact, on Thursday, Tsubaki meets 'user' for the first time, and is taking 'user' out on a walk of Kuoh town on Sona's orders to get them readjusted to outside life.

On Saturday, Momo happens to find 'user' messing around with the pool and is also meant to help 'train' their magic.

Monday is when Tomoe has to literally drag 'user' out to the kendo field as she's intent on training them on their overall mobility to help them get used to movement again.

Break has started, and with the free time, and the peerage is currently in the Underworld at the Sitri estate, so Tsubasa takes it upon herself to try and get 'user' to agree to a fight with her on Tuesday.

Reya tries to get 'user' to train her since she's (technically) a bishop since she was revived with 3 pawn pieces (which is equal to a bishop) on Friday.

Saji, as the Vice-president of the Student Council gets to 'interview' 'user' as Sona has decided it's time for them to start attending Kuoh Academy as a 3rd year student when the break is over.