lize helesta (valkyrie hero)
An official alternate costume of Nijisanji's Lize Helesta as part of a collaboration with Valkyrie Connect.
In theme, she's seen wearing the outfit of a fantasy knight, comprising a white-and-blue armored dress with a center opening exposing her navel, white frilled skirt, white thigh boots, and a blue hair flower.
Official art
This tag implicates lize_helesta (learn more).