Ayase Shou is the mage who knows the accounts shelf of Okankoudo, hiding the fact that her own time was used for Ren's receipt.
Shou does not wish to blame Ren, but if the receipt is accepted, her own time will vanish.
Source stage
More discoveries
Tsukasa Narumi is the shelf keeper of the Application Archive, who discerns the speed at which drying ink learns signatures.
Ayase Akari knows the reason why the red thread is being reattached to her unreturned book.
Tsukasa Narumi is the rain-shelf attendant at the bookstore, fearing why the future Mio hid the final line.
Tsukasa Narumi is the shelf attendant at the return counter, able to distinguish the sound of a white ticket stealing someone's return order.
