One day, a mysterious virus appeared that killed all human adults die, and va...
Seraph of the End
Season 1 Episode 5: Black Demons Contract
Eager to obtain the Cursed Gear, Yuichiro tracks down Guren and persuades him to provide him a chance at the Contract Ceremony. Passing Guren's test, Yuichiro, Kimizuki, and Yoichi puts their lives on the line to make a contract with the...