Going to be late to the party here. It's most likely a parody of SHOWHEI HEY! or Konya ga Yamada. Both have similar tone patterns to what the text has.
Law of cycles.
Probably Mami is saying this.OUT!OUT!Law of...Law of cycles.Law of cycles.Tiro Finale~!Law of cycles.OUT!OUT!OUT!Law of cycles...?Law...of...cycles?Law...?Law of...Cycles...?Law of cycles...
...Law of cycles...
...Law of cycles.Why the heck did you laugh?!Law of cycles...