ウルトラジャンプ
"Ultra Jump" started as a special issue of the seinen anthology "Weekly Young Jump" called ""Young Jump: Ultra Special Issue: Ultra Jump", which was first issued in 1995. The magazine was split to a monthly publication in 1999, simply called "Ultra Jump"". On March 19, 2008, "Ultra Jump" released an online spin-off of the "Ultra Jump" magazine: . "Ultra Jump Egg" is an online manga website that mainly serializes manga not in the original "Ultra Jump" magazine.