Yorozu Genkurou, wandering warrior, possesses an huge sword which makes him redoubtable to his enemies. While he crosses a dark forest, he suddenly sees the fall of what looks very much like a spaceship. Since, he is constantly being attacked by strange ninjas and ambitous fighters. Indeed, he will soon realize that his assailants are nothing else than aliens landed on Earth to find 3 artifacts made of Orichalcum, an alien substance with powerful mystical virtues. And one of the artifacts is the sword he wears. The hunt begins. (Source: manga-news.com)

The manga is based on the Fate/Grand Order Duel -collection figure- board game. [ANN]

In a world where power and prophecy dictate fate, Imperial Princess Sveta is sent to a fragile kingdom to marry its crown prince, Claris. However, Claris is enamored with another woman and disregards Sveta entirely, allowing his faction to torment her. But Sveta is no ordinary princess—beneath her delicate façade lies a sharp strategist determined to take control of her destiny. Disgusted by Claris’s incompetence, she sets her sights on the second prince, Sarges, a peace-loving royal with no desire for the throne—or marriage. When Sveta boldly proposes a union, Sarges finds himself unwillingly swept into a treacherous game of power, deception, and unexpected romance. Will this unlikely pair defy expectations and seize the crown, or will their opposing ambitions tear them apart? (Source: Piccoma, translated)

A tragic tale of a mother who loses her child to a life-threatening disease.

Lia, a princess of a certain kingdom, grew up oppressed by her father and older sister. When she was blamed for their loss in a war with a neighboring country, Lia was scorned by her own people as "The wicked woman who ruined the nation." As compensation for the war, she was sent off to marry the king of the victorious country. There, she was treated like a slave, displayed as a spectacle. But in that moment of despair, Prince Senett of the Schwarz Kingdom suddenly arrived, cutting through the chaos. "I've come for you, my Princess." This is a frustrating, mismatched love story between the kind-hearted, ill-fated princess and a younger prince who dedicates a somewhat obsessive yandere love to her