Muteki Eiyuu Esgaier

Tomoda Ryouichi is on his way home from prep school when he is suddenly asked to clean the universe from space pests. Together with the three female androids: Mitsuru, the attack unit, Sherazado, the defense unit, and Asheru, the mobile unit, Ryouichi becomes the invincible hero "Esugaiya" and defeats the pests to preserve the peace of the universe.
[Written by orithyea]