Line of Descent: Three-Sister War (AKA Alice Has Had Enough) (S02E05)

Elletear invites Iska and his crew to the Erz palace, a holiday retreat belonging to the House of Lou. Concerned about her sister, Sisbell brings Iska along to check for any hidden eavesdroppers in the palace. Iska feels anxious when Sisbell insists on inspecting Alice's bedroom too. Meanwhile, Alice rushes to the Erz palace, desperate to keep her secret from Sisbell being uncovered. When the three princesses converge, Iska finds himself caught in a tricky situation...!