森亜るるかちゃんの初登場回、とっても良かったですね（素振り）

Moria Luluka's first appearance was pretty good right? (*PRACTICE SWINGS*)

The artist released this before episode 3 and Luluka's first appearance in the series, so that sentence ending indicates that this statement was done in anticipation of what he would say, therefore "practice swings".