Yūichirō realizes the illusion is fake because the "Mika" he sees is acting out of character. Through sheer willpower, he expels the demon and wakes up, proving he has the strength of heart required to wield Cursed Gear.
In Episode 3 of Seraph of the End: Vampire Reign (English Dub), titled Yūichirō Hyakuya faces his first major test in the Japanese Imperial Demon Army. Plot Summary
Shinoa Hīragi takes Yūichirō and Yoichi Saotome to a restricted area beneath the school to demonstrate the dangers of "Cursed Gear". They find a student who has been possessed by a demon after failing to control a powerful weapon.
Shows significant growth by choosing his family's true wishes over the demon's false promise of revenge.
The episode concludes with a major reveal in the vampire city, Sanguinem. It is confirmed that Mikaela Hyakuya is still alive , having survived the massacre years ago and been turned into a vampire. Key Characters in This Episode