Guild no Cheat na Uketsukejou

Guild no Cheat na Uketsukejou (ギルドのチートな受付嬢) is a light novel series by Natsu ni Kotatsu with illustrations by Kazutomo Mitsuya. A manga adaption with art by Akehisa Yatsuki is serialized in Monster Comics.

Plot
One day, due to God's mistake, Tomoaki Akino's life was accidentally snatched away. Though he gratefully accepted the cheat offered as an apology and reincarnated, he was reborn as a female elf! Then time passed, and Tomoaki now works as the intelligent and beautiful receptionist named Ilya in the Lunéville branch of the Guild Association. In a world of swords and magic, her job in the guild begins today.