Marvin x AntiSepticEye x Shrunk Reader

When Marvin purposely shrunk the reader with his potions and refuses to admit he did it on purpose. Anti finally tears off that he has reduced the reader to a really small size that even he can see him, decides to take revenge on Marvin by turning him into a variety of fantastic animals. Which makes Marvin tell him what really happened. Will the reader return to normal size? Is Anti gonna leave Marvin like this?

And will Marvin help the reader?

Egos x Reader x Sick!Marvin

Marvin's sick, so his sneezes make everyone in the house turn into animals, even the reader. What will the Egos turn into? 

What about the reader?

And will Marvin recover and find a spell to reverse this mess?

AntiSepticEye x Borrower!Reader

The reader is a borrower who lives within the walls of ego, and one beautiful day supplies ran out, so the reader went out to borrow food. He forgets the key principle of borrowing, "you can't be noticed," and is noticed by some cunning demon who decides to play with the reader.

What happens to the reader?

and what will Anti do next?

Marvin x Blueberry!Tiny!Reader 

Reader has always been small, which means he's a magician's pet. He doesn't keep him in a cage, he treats him more like a good friend than a pet. One day Marvin made a potion that turns people into blueberries. It was a psyche to Anti for what he did to the rest of the egos. But when Marvin leaves the room just to get the ingredients, the reader, unaware of the contents, drinks the potion and notices that his skin turns blue and starts to get quite fat!!

 How big will the reader grow?

 And will Marvin find out how the reader ended up?