Koro Sensei Quest!
Season 1, Episode 10: Takebayashi, Leaving the E Class?
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The female students go to Irina to brew a potion for sacks of chocolates. On Valentine's Day, some of the female students give some of the male students the sacks of chocolates, but it turns the male students into monsters for a day.
All Episodes - Season 1
Episode 1
The E Class and the Big Bad
Episode 2
The Red Devil
Episode 3
The Seductive Witch
Episode 4
The Ruins of Tribulation
Episode 5
The Evolved Mage
Episode 6
The Silver Berserker
Episode 7
The Big Five Attack!
Episode 8
Big Bad Switcheroo
Episode 9
Showdown at Fukuma Tower
Episode 10
Takebayashi, Leaving the E Class?
Episode 11
It's Not a Job, It's a Calling
Episode 12
Bye Bye, Big Bad