Grief-stricken over the death of his last family member, his dog Hanako, picture book writer Hotaru Yuuyami suffers from writer's block for nearly two months. Despite his childhood friend and editor Tsubaki Uehara's best efforts, nothing seems to alleviate his pain. But all of this changes one day with the sudden apparition of Kinoko Inu, a mysterious mushroom from his garden that turns into a dog-shaped animal. Much to the great dismay of Tsubaki, Hotaru hastily invites the creature into his abode. Days after Hotaru and Kinoko Inu start living together, the strange mushroom-dog decides to burn the last of Hanako's personal belongings in order to alleviate Hotaru's depression. However, the cohabitation between the overworked writer and his mischievous guest proves more difficult than expected, and Hotaru must let go of his grief if he wants to properly take care of Kinoko Inu.

Yuu and Saya are two of the top Cosmic Hunters in the galaxy, and Yuu is enjoying a bit of fame after his most recent adventure. The two are on a date when they are interrupted from a distress signal from their ally, the feline pervert Nyan. In the meantime, the space pirate Belga begins attacking space freighters in an attempt to lure out Yuu, so she can take him to bed with her. Of course, when he spurns her, she decides that if she can't have him, then no one can. (Source: AnimeNfo)

Sana is not an ordinary little girl; she possesses a special ability known as Alice's Dream. Due to her power, which allows her to create anything from her imagination, all that she knows is the laboratory where she is a test subject. Wishing to experience the outside world, she escapes and meets a stubborn old florist named Zouroku Kashimura in a convenience store. All too soon, her pursuers catch up and Zouroku is roped into Sana's troubles. However, far from trying to distance himself, Zouroku extends a hand to help Sana. Following his values and sense of justice, he even gives the pursuers a piece of his mind! Zouroku then offers Sana a place to stay, beginning the daily life and struggles of the unlikely duo.

In the 26th century, humans discover a humanoid race living on the distant world GO/7498/2, a dark-skinned, golden-eyed people who seem to eke out a primitive, carefree existence. However, a scout team from Earth discovers that there is more to them than meets the eye--they live in symbiosis with vicious reptilian parasites, and the Terran scientists have upset the delicate natural balance. (Source: The Anime Encyclopedia)