Kenja no Deshi wo Nanoru Kenja

Summary:

Note: Based on a fantasy light novel series written by Ryuusen Hirotsugu and illustrated by Fujichoko.

Sakimori Kagami is a young man who's spent four years perfecting his avatar in the online VRMMORPG Arch Earth Online. Going by the name Dunbalf, he's known across the land of this virtual world. But one night before bed, Kagami uses an in-game vanity case that's about to expire—opting to create his ideal version of a female Dunbalf avatar for fun. Waking up, he's surprised to find that he's now in the body of the avatar he created the night before, and he'll have to work his way from the bottom up! So he's a young dude, playing an old dude, who is now playing a young girl—who is still that old dude.

Which brings us to Mira:
Mira is described as a beautiful summoner who identifies herself as Dunbalf's pupil. And if you've been keeping up, you'll remember that she is Dunbalf, which means her abilities are the same as his. Despite her youthful appearance, she speaks like an old man.

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