A 30-year-old man who dreams of becoming a wizard suddenly loses his life. Reincarnated in another world as a young child named Shion, he grows up alongside Marie, his dependable older sister who adores him. Shion eagerly anticipates using magical powers, but he discovers that the new world seemingly does not have any magic. He spends the ensuing years as a gloomy and dejected child until a mystical phenomenon at a nearby lake catches the siblings' attention and breathes life back into his magical dream. While experimenting on the peculiar light emanating from the water, Shion finally confirms that magical energy really exists. It may not be convenient for anything just yet, but Shion devotes his time to studying the anomaly, determined to uncover all the existing wonders in his quest to make magic.

The Red Ranger, Tougo Asagaki, finds himself transported to another world in the middle of a fierce battle against forces of evil. Upon arriving, he quickly makes a name for himself as an adventurer and takes on a job from a young mage named Yihdra Arvoln. With his eccentric powers and frenzied personality, Tougo blazes through the mission with her. After the quest, Tougo and Yihdra begin adventuring together with their respective goals. Tougo strives to help as many as possible in the new world and find a way back home, while Yihdra desires to redeem her family lineage of mages and make magic accessible to everyone. Along their journey, the duo discover the limitations yet endless potential of the bonds they forge as they overcome adversities to achieve their aspirations.

Aspiring manga artist Mizuho Nishino has grown alongside her four childhood friends: Kizuki Hazawa, Shuugo Hoshikawa, Shin Kashiwagi, and Airu Izumi. But on Mizuho's 17th birthday, Kizuki suddenly asks to be her boyfriend. Having no previous experience with romance, Mizuho brushes it off easily, but Kizuki is genuine and intends to win her heart. Kizuki no longer hides his affections, and Mizuho hesitates, worried about the consequences their potential relationship could have on their whole friend group. As Mizuho works through the confusion of youth, it seems that the other three boys have fallen for her as well—and she must find a way to sort her feelings out without shattering the close-knit group she holds dear.

"I can't do this anymore!" Yuke Feldio, a red mage, just left his adventurer A-Rank party. After being mistreated as a handyman and ridiculed for five years, he finally snapped! And so began his desolate, unemployed life... or so he thought! Through a stroke of luck, Yuke is welcomed into an all-female adventurer party comprised of his former students!! As they defeat dungeons one after another, Yuke's true strength is gradually revealed! As it turns out, this red mage wields extraordinary magic and skills?!