A strong-willed cavalier working under Marth and the Altean Knights. Has a strong rivalry with Cain.

Prince Mars, heir to the throne of Aritia, has fled his homeland and the invaders bent on conquering the entire continent. Together with the Aritian Knights he hides and bides his time in the friendly island kingdom of Talus. Though criticized for constantly daydreaming or being in a bad mood, he has found a friend in Sheida, the princess of Talus. Together they indulge in hayrides and shopping trips, or just standing upon the parapet and looking out over the land. However, despite how pleasant life is, he cannot forget the circumstances that separated him from his land and forced his beloved sister to sacrifice herself for him.
 
(Source: Anime News Network)

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Married to [Ai Maeda](https://anilist.co/staff/95487). Previously married to [Nao Nagasawa](https://anilist.co/staff/96037) with whom he has a daughter.

Based on the Super Famicom game, the manga centers around Marth, who was sent off his attacked homelands of Aritia by his sister. A few years later he is returning to regain his home with the aid of his allies. Long ago, Medeus, king of dragonkin, conquered the continent of Archanea, giving rise to an age of fear and despair for its entire people. 
 
That tyranny was broken, however, when an unlikely hero intervened. A young man hailing from the Altea region appeared with a divine like blade in hand. Fang of dragon and blade of light locked in battle; and in the end, blade prevailed. For some after, the land enjoyed an age of peace. 
 
However, after a century's passing, the Shadow Dragon returned. He forged an alliance with a fiendish sorcerer who sought to rule the world, and their combined might topple kingdom upon unsuspecting kingdom. Again, the darkness threatened to engulf the continent. It fell upon the king of Altea, sole descendant of the dragon-slaying hero, to sally forth with the divine blade and fulfill his blood destiny. 
 
His son, Prince Marth, remained at home with the boy's mother, his elder sister, and a garrison manned by Altea's neighbor and ally, Gra. Thus the boy applied himself to the ways of both pen and sword, until one day... 
 
Notes: It included chapters 0, 30.5, 38.1, 38.2, 52.5.

The first manga adaption of the game of the same title.

Abel