Valentine-themed skin for Eishin Flash from Umamusume introduced during the Crown Patisserie event. Secondary nickname is Sharpness of Flash.
It's a chef outfit consisting of a white tilted mini chef hat, a short white dress with sleeves past elbows, a red neckerchief, wrist cuffs a double-breasted white apron, white thighhighs and brown boots.
This tag implicates eishin_flash_(umamusume) (learn more).