"I've brought all of the paired servants with me!": Apply delayed buff to all allies (including backline), which triggers one of 6 random effects with equal probability each turn (all buffs are Removable, but have infinite duration and can stack):
"The secret to our friendship is our hearts" "We won't lose when it comes to friendship": Apply Evade to self (2 times). Apply Debuff Immune to self [All Unremovable].
"The secret to our relationship? That's a little embarrassing to say" "You could say that we eat frogs together": Apply Ignore Invincible to self. Increase own ATK by 20% [All Unremovable].
"Darling is such a cool, strong, and handsome man! He also has a cute side to (omitted) so he's one heck of a man!": Apply Invincible to self (2 times) [Unremovable]. Decrease DEF for all allies and enemies except self by 10% [Permanent, Removable].
"We are the real Chummy Sabers!" "I agree wholeheartedly, brother": Increase own Critical Strength by 30%. Apply Target Focus to self (3 turns) [All Unremovable].
"The secret to our friendship is that we sleep, have oden, and eat ice cream together." "...You make not a lick of sense.": Increase own NP Strength by 30%. Apply Guts to self (1 time, 5% HP Revival) [All Unremovable].