Fukumoto Margret

Margret Fukumoto (福本 マーグレット) is a veteran magical girl who first appears in Episode 1.

Soul Gem
His soul gem has shell and teardrop emblems. When transforming it turns into a seashell (soul gem is in the center) ribbon pinned on the left side of his uniform. The gem’s color is the same as his eye color, blue.

Gladiolus

 * Blast Bomb - This is a signature move of Alex, Kiel, and Margret 's powers combined. Alex uses his water gun's water to grow the Kiel's seeds. Margret creates a diamond as a shell for the seeds.  It would act as a bomb.