Tanuki wa Tsuraiyo

Pon is a raccoon living in the forest who lost his home due to land development.
With vengeance in his heart, he sneaks into Kunio's preschool to take revenge against the humans...
Only to find smart phones, games, snacks, and instant noodles. Human life is the best!

(Source: Comic Piatto, translated)

Note: Originally serialized by the name 4-saiji to Tanuki (4歳児とたぬき). The title was changed for the tankoubon volume.