Youki died in a traffic accident and was reborn in a fantasy world! However, instead of being the hero of legends, he ended up reincarnating into an overpowered demon. Having no desires to become the Demon Lord, he sits around in the Demon Lord's castle as a random low rank guardian. One day, the Hero's party comes to attack and on a whim he knocks out the entire hero party. Healing up the Hero party and then preparing to send them back to town, he notices the female priest and falls in love at first sight!

When Arisu Yamabuki was all alone in bed at night, he was able to find solace in the voice of a radio host who went by "Apollo." However, one day, she simply stopped broadcasting without any explanation. Years then passed, and Arisu is now a second-year high-schooler. He makes it his mission to search for Apollo, as there is something he wants to tell her. He doesn't know what she looks like, or even what her real name is, but he manages to get some leads on her in his school's broadcasting club. That's where he meets four girls who all dream to get a job where they can make full use of their voices! Just who is Apollo, and how will those four's dreams pan out?

Demon King Ahriman has a problem: his daughter, Dou, loves everyone! Consequently, Ahriman had to halt his invasion of the world in the worry that his daughter's behavior is not one befitting someone of her kind. She loves making friends, helping others, and bringing happiness to all creatures including their enemies, the humans. Ahriman, however, congratulates Dou for her good deeds instead of scolding her. With the help of his aide Jahy, who is assigned as Dou's master, the two try to get rid of her kindhearted nature—so that the Demon King's daughter goes from a cute, adorable, and nice little girl to an inhuman, cruel, and twisted little demon.

Lingwu Continent is a world where spiritual power and martial spirit coexist. A spiritual cultivator can move mountains and rivers with a thought, and a martial artist can tear the world apart with bare hands. Chen Tian, ​​a former genius in Xingchen Town, lost his martial spirit and dried up his spiritual sea after he turned ten. Since then, he has become a waste of his family and has been looked down upon by others. In a life-and-death struggle, Chen Tian fell off a cliff and mistakenly entered the formation arranged by the ancient sword emperor. Under the influence of the power of the heavenly book, he awakened his spiritual and martial dual cultivation physique. At the same time, he also obtained a strange memory and a mysterious storage ring. From then on, he rose from adversity, broke through the reincarnation of the Heavenly Dao Palm, and finally crossed the shackles of the emperor's calamity and aspired to become the champion of Lingwu Continent!