If you're looking for manga similar to Usagi no Mofy (2012), you might like these titles.
Deep in the Crescent Forest, numerous woodland creatures work, play, and have plenty of fun in the process. Clover the bunny, along with Mallow, Kale, Shallot, Blackberry and even a flying tree squirrel named Hickory always find themselves in a variety of adventures. Whether it's investigating a cursed spring to chatting with a seasoned traveler, there's always a good time to be had in the Crescent Forest!
Jacka is a young rabbit boy with a beetle horn on his head that pretends to be a superhero. He performs his hero duties with the help of his friends, Topo and Algernon.
Need a job done right? Call the Zenryoku Engineering Company! Staffed by hip-hop loving boss Oyakata, aggressive Ojou, babysitter-turned-worker Minarai and a variety of other motivated rabbits, Zenryoku Engineering Company lives by a simple motto: do our very best! From finding old fossils to building a bridge to help a young rabbit find his way home, there's nothing the team can't build or handle!
When the Twolegs destroy the warrior Clans' forest home, ThunderClan deputy Graystripe is captured trying to help his comrades escape! Trapped in the pampered life of a kittypet, Graystripe gets all the food and shelter he needs from his affectionate Twoleg family—but the forest is calling him. When he makes friends with a feisty kittypet named Millie, she encourages him to go in search of his lost friends. But will Graystripe ever find his way back to the Clan?