the plot gets what the plot wants, logic be damned.
Presumably, Patchouli found it easier just to stuff her incredibly large library to the gills than to ask Sakuya to make it a little bit more impossibly big.
Although there would be no story, I question why 2 book shelves would be so close in the first place.
Marisa's hitbox might explain it.
...matters anyway.Reading books and absorbing their knowledge...That alone makes me happy.Yes...right now, this place is everything to me.Not that it...Besides, no one will see me since I don't go outside anyway.Ahh, right, right.That's not funny!Miss Patchy's
Diet
(Part One)
Karaagetarou...you've gotten fatter?I don't really care about such worldly things.So you absorbed a lot of fat along with all that knowledge, right?!That's not good, Patchy!A lady must take great care of both her mind and body!Just like me!