Kenja no Deshi wo Nanoru Kenja | Episode 5

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Kagami Sakimori plays as the great mage Danblf in his favorite MMO. He falls asleep after a night of testing new character appearances, but instead of waking up to a suspended game, he’s inside of Arch Earth Online—as a girl! Now named Mira, he must convince the game’s people that Mira is a pupil of Danblf, who vanished without a trace 30 years ago…and figure out how he got here.

(Source: Funimation)