Simplify the following text for a Grade 8 native English-speaking person.
Original: It was serialized in Weekly ShÅ nen Jump from May 1 , 2006 until May 19 , 2008 , with a total of ninety-nine chapters , published by Shueisha .
Simplified: It was first serialized in Weekly Shonen Jump on May 1 , 2006 , published by Shueisha .