User blog comment:Chichiryuushintei/High School DxD BorN Episode 5 Review/@comment-3965848-20150503095055/@comment-26209278-20150503123838

Well yea, that is an animation error, it's just having the positioning of each object in the wrong order, but having Saji have the absorption line coming from both arms isn't the same. While it may be wrong compared to the LN, it isn't an animation error.