There has always been 16 heroes. Among them is the Darkness Hero, Shion, the strongest hero in history. Shion has only one thing he believes in--his party members. However, those girls he believed in cruelly betrayed him. Is there a way for Shion to overcome his deep pain and keep on living?

Grimoire Alchemist is a dating sim popular among both boys and girls in Japan. The player’s rival in love, Claudia Ellington, is jokingly called the “Villainess of a Thousand Deaths.” But this alias of hers is actually no joke; she really does die a thousand times in the game! Alas, our poor little protagonist ends up filling Claudia’s shoes when she gets reincarnated in the world of Grimoire Alchemist. Determined to escape the dire fate she has in store for her, Diehard Grimoire Alchemist Fan #1 (now the reincarnated Claudia) does everything she can to avoid entering the love interests’ romance routes in an attempt to separate herself from the game’s storyline and save her own skin. Despite her best efforts, she fails spectacularly as her love for the characters and game compendium of a brain lead to her pulling off impressive feats one after another. Join her as she—much to her dismay—magnificently steals the hearts of the game's charming love interests!

An Evil Organization from another planet is trying to take over Earth. An extraterrestrial from that organization named the "General," tirelessly fights against Earth's defenders every single day in a battle of life and death! However, today is his day off.

Caruel and Euricienne have a lot in common: both are 16, royalty, and absolutely loathe the idea of an arranged marriage! That's why they're determined to make the other beg for a divorce. But their enemies are also scheming to tear them apart and even threaten their lives! As Caruel and Euricienne overcome trials together, they discover that they're more attracted to each other than initially thought… Will they be able to follow through with the divorce? Or does fate have something else in store?