Babysitter Purity

 is the episode of BFB: 7 Virtues that features a crossover with the characters from BFB: Around The Rainbow. It was released on September 23, 2025.

Characters:

 * Charity
 * Chastity
 * Temper
 * Diligence
 * Patient
 * Kind
 * Humility
 * Humanity
 * Confident
 * Vitality
 * Trust
 * Sympathy
 * Prudent
 * Vanity
 * Polite
 * Humor
 * Rainbow Vivid
 * Kelly
 * Samantha
 * Minor virtues
 * Unity
 * Purity
 * Love (debut)
 * Faith (debut)
 * Happiness (debut)
 * Luck (debut)
 * Courage (debut)
 * Wisdom (debut)
 * Hope (debut)
 * Black Hole

References:

 * /References

Transcript:

 * /Transcript

Trivia:

 * Unity and Purity reform in this episode.
 * This is the debut of the seven colors of rainbow.
 * This is the first episode in which Purity starts wearing a new outfit.