Vierra

She was caught with his sister Shella in the mana calamity, And helps Paul to find all the missing people.

Background
She was a adventurer before was caught in the mana calamity, because her sister and various other women were traumatized by men, she use a Bikini armor to focus all the stares on her.

Fighting Style
They never show how she fight, but she was the vanguard before Elinalise replaced her in the Teleport Labyrinth.