The new librarian (Patreon)

A new mysterious beautiful girl appeared in the Tomobiki school library.
Her name is Wendy and she is reorganizing the books in order to avoid the loss of literary universe balance.
However, some characters already left their books, causing a lot of fuss into the library.
As usual, Ataru takes advantage of the chaos to hit on every cute girls he bumps into, causing the fury of Lum who chases him through the bookshelves.
During his run, Ataru spots the blonde girl and immediately courts her.
Surprisingly, Wendy likes him and appreciates his horny attentions!
Ataru doesn't waste a second: he quickly undresses and penetrates her from behind, sheltered by a bookshelf.
But Lum slowly approaches them...

Based on "Urusei Yatsura" manga/anime show.

Line art, clean and wet version included for both normal and Lum-less version.