Though I Am an Inept Villainess: Tale of the Butterfly-Rat Body Swap in the Maiden Court (Manga) Vol. 3 (manga)

The infamously frigid and unshakable Tousetsu has been brought to her knees. Prostrating before the real Reirin in the dilapidated storehouse, Tousetsu anguishes over what her beloved maiden endured. Still bound by the body swap magic, Reirin struggles to reveal the truth, but it's nothing that can't be solved by putting in a little backbone! Across palace grounds, Keigetsu has survived a hellish night, only to uncover sinister strings manipulating her every move.

The Bow of Warding saved her, not from a malady, but a curse! And the true menace lurks close by...