A Soul Gem... Or SG... It is literally a Puella or Puer Magi's Soul Trapped inside a gem Our body is just a husk.
✗ ❝ Alright...! No Witches around today, and no homework from school! Mmm... I wanna go to the new food store in the mall... ❞ Len borrowed some money from his parents, writing a note saying he would pay it back later, plus bring back change. Walking into the mall upon arrival, his red earring glowed slightly.
✗ ❝ ... Where...? ❞ Mumbling quietly, he tried to sense a barrier, walking around with purpose. Sensing it behind a certain door, Len glanced around before opening it, sliding through. Whoever was curious had followed him, it seemed.