Ep. 20: Shocking revelations occur as Minako faces a Daimon attack and identity secrets emerge.

20

Minako feels distressed because a Daimon did not attack her, leading her to believe her heart is impure. She attempts to prove her purity but is subsequently attacked, resulting in the loss of her pure heart. Meanwhile, the Outer Senshi and Guardian Senshi discover each other's true identities. This episode highlights Minako's internal struggle with self-worth and the significant moment when these two groups of warriors reveal their secret identities to one another.