The greatest hero of all time. He was the only person to survive all three encounters with Ragnarok, the strongest demon in the world's history. If it were not for this man there would be no world for the story Mirai Mugen to be based in.

He was born to a noble family in Sweden, and sent to All Midgard Primary Boarding School. He quickly became friends with a new student named Nikku, and when he found out that Nikku was a ninja, he got his handkercheif and tied it around his face so that he could be a ninja too.

At the age of 10 he was part of the first group to battle Ragnarok, and one of just 3 heroes that survived the battle. A dying samurai named Higuyo Yoshiyuki gave him the 'Fuma Masamune' Katana, telling him it was the strongest of all blades made by the legendary swordsmith, given to the Higuyo family in the Kamakura era. When he gave away his finest work, Goro Nyudo ( Masamune ) told the current head of the Higuyo house to "keep it hidden until it is needed to protect all of humanity, only then will its full power be realised." Higuyo Yoshiyuki admitted he had not the power to weild such a creation, and told Forseti that he must fulfill the sword's legacy.

He fought the third and final battle against Ragnarok at the age of 16. He fell in love with a russian android L337-035. He awoke the day after the battle to find the Masamune blade and Ayumi (his 12 year-old ninja friend from the second and third battles) gone, and the attractive android unresponsive to his advances.

Travelled to Japan and got new massive sword made. He met his friends Nikku and Ayumi constantly for the next 900 years, and continued to make a name for himself in the re-building Japan.