Corrector Yui: Yui Kasuga (Episode 35)

In this episode, Yui was half-asleep when she was called by her Collector allies to ComNet for a mission to eliminate a Beagle virus that was infecting the Retirement Network, causing people to lose faith in their futures all because of one homeless person who is the Beagle, trapping them in a nightmare. However, when Yui was about to initialize the virus, she got caught in its trap, unable to escape but woke up in a dreamlike world when she is a popular idol and voice actresses. Once she realized the world she was in was a dream, she then managed to break free of the curse and initialize the Beagle, saving the day.

A GIF