Goodbye, Mr. Despair

A comedic Japanese novel series about a boy, Suzuo Sakurazaki, who is hired by a preteen space alien girl, Tanpopo, to try out an experimental new suit developed by the intergalactic toy company that she works for. Suzuo agrees to work for her since he is unemployed and needs the job to pay the rent. The suit gives him super powers, with which he fights bad guys and people from rival intergalactic toy companies and organizations.

Kantarou has had the 6th sense to see demons for as long as he can remember, and has become friends with them, but also has the job of "yokai busting". With his tengu and his kitsune, they solve mysteries, and help the yokai situation in Japan.

After his swift victory again Prince Kaiser, Win Kirifuda is invited to enroll into Maihama Academy, a school where students learn about Duema. He thought it would be like a dream, where he could duel every day, but reality sets in as Win realizes that it's just like a normal school where he attends boring classes... So, Win's decided to form the "Duema Saikou Club" to enjoy Duema to the fullest with his new friend Ugata and with some familiar faces coming back to liven up the club!. The four Duema kings, the D4, Prince Kaiser's ambitions, and a mysterious entity that controls the school from behind the scenes........ A new day beings for Win at the school where various mysterious surround around him. Follow Win Kirifuda as he explores the school's many locals and Duel his way to the top in the Duel Wars tournament to see who is the strongest Duelist in all of Maihama Academy.

Mysterious sisters and a boy go on a journey around the world of red fog to find a place for a peaceful life with water while they fight against weird lives called Akamushi.