If you're looking for manga similar to Gou-chan. Moko to Chinjuu no Mori no Nakama-tachi, you might like these titles.
When Noriko, Amane and their friends left for a week-long summer camp experience in the countryside, they had no idea that they were about to embark on a galactic adventure! After helping a wounded, dog-like alien, the creature offers to take them to a spaceport on the moon where fantastical beings, flashy sights and new friends await them. Together, the gang will travel between worlds, dodge nefarious poachers and even encounter the most famous television show in the galaxy, as they embark on the best summer vacation of their lives!
The forests are in danger! Tina and Tai stumble upon a space pod that has crash-landed onto earth! Befriended by two space aliens, they are unwittingly dragged along on a recovery mission that takes them deep into the forests around the world. However, the kids soon discover that the forests are disappearing! What is going on?! Can they learn the science behind the forests' disappearance and do something before it’s too late?!
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!
When Sasha is forced to leave her kittypet home, she must forge a solitary new life in the forest. Life on her own is exciting at first but quickly gets lonely. Then Sasha meets Tigerstar, leader of ShadowClan, and wonders whether she would be better off joining the ranks of his forest Clan. But Tigerstar has many secrets, and Sasha isn’t sure she can trust him….
In a mountainside bakery, the young shopkeeper Konta meets Mamita, an alien whose spaceship crashed and is looking for food. Konta winds up taking the stranded alien in as his little brother. This is the diary of a baker and an alien as they live together as "siblings".
In the 21st century, aliens have arrived on Earth and live among humans. In sleepy Enohana, the dirt-poor student Chigasaki Mayuko finds herself living together with NieA, a low-caste ("Under Seven") alien. While Mayuko struggles diligently to make ends meet, NieA seems to be totally unconcerned with the consequences of her actions.
Lovely Muco! is a story that depicts the lovely everyday life of Komatsu-san, a glassmith, and his pet dog Muco. Shiba breed Muco's wish is that Komatsu-san could become a dog!
Chika Ono spent most of her life in the city, but due to her mother being sent overseas for work, she goes to live in the countryside with her father for a year. After finally returning to the place she sent the first few years of her life, she soon realizes she can see the spirits and mystical creatures of the forest. The memories of when she lived in the forest are still hazy, but the creatures of the forest still remember her. Will Chika be able to uncover the secrets of the forest and her forgotten memories?