Multiverse, Starting by Creating Delta of Fate

He clutched his butt and rolled around on the ground, screaming in agony. It felt like his tailbone had shattered as he shakily reached out to use a Command Spell. "By the power of this Command Spell... heal my butt." Mahiro Oyama stepped forward and looked at Kazuma Satou, who was lying on the ground. "XD, how did you get beaten up this badly?" Kazuma Satou rubbed his butt, sat up, and stared heartbrokenly at his shattered imitation Kiku Ichimonji Norimune. He had only just gotten this good sword.