Part of Shounen Jump's 2019 Valentine's Day celebrations.

The genius demon king who played the fool will lead the heroes of the losing team.

A heroine appears in the universe where the cyborgized pirate "Kaiborg" roams! A pirate battle story of "Bone Crusher" and her skeleton hat partner!

An exiled Tamer will create a paradise in an undeveloped land!? This is the story of a man who supported the country from the shadows and becomes the center of the world. Yukia, who serves the country as a court tamer, is suddenly dismissed one day. Yukia suggests that if she is dismissed, not only dragons and demon beasts, but even horses will not listen to her orders, but the nobles dismiss her as nonsense, and she is kicked out of the country without persuasion. Therefore, Yukia decided to head for an undeveloped area in the north with her family and escaped from the royal capital. Then, by taming various creatures with unconventional power, he builds a familiar paradise! On the other hand, the aristocrats who kicked out Yukia ended up inflicting great damage on the creatures in the imperial court who no longer listened to their orders...!? The strongest tame life outside the standard begins! (Taken from Mangadex)

Saiha has had the power to manifest blades from thin air since childhood. After an incident gives her a taste of the thrill of battle, she spends her days pursuing ever more powerful enemies in search of deadly challenges, as she becomes feared as a monster herself. (Source: Shounen Jump Plus, translated)

This is the continuing story of Akuru, her childhood friend Shinto, and all the other friends they've made through the card game Aquarian Age. Together, they all enjoy holidays, school life, and Aquarian Age, but will Shinto ever notice that Akuru wishes she were something more than his friend?