A modern NEET is summoned by a magical girl to reincarnate in another world, where he becomes a devilish wizard and goes on a rampage in this dirty fantasy! The young man, despite his cause to stop the resurrection of the Demon King, rapes and defeats both his master's magical girls and the enemy's female executives, and then he discovers the true meaning of his summoning.... The protagonist is enjoying a leisurely erotic game when he is suddenly transported to another world! A big-breasted wizard is right in front of him... He takes her virginity for the first time, and then uses his own magical stick as a demon to fight against the Four Heavenly Kings who are plotting to revive the Demon King!