Senyū. (戦勇。 Senyū.) is a Japanese video comic written and illustrated by Robinson Haruhara. It has 4 completed "chapters", also known as seasons and a new, extra chapter named "Senyū. +"
A gigantic hole suddenly opened up in the world one day, and demons appeared. The King thinks that this portends the return of the Demon King , who was sealed away by the hero Creasion 1000 years ago. The King decreed that the descendants of the hero must take on the threat, and gathered 75 heroes, whom were set forth with assigned royal soldiers. Hero No. 45 Alba and sadistic Royal Soldier Ross team up and begin their adventure to defeat the Demon King!