Tamamo No Mae (Swimsuit Lancer) (First Ascension) (Fate) Wiki

Tamamo no Mae (Swimsuit Lancer) in her First Ascension swimsuit from Fate/Grand Order. She wears a wide-brimmed sun hat that is not frayed like in her Second Ascension, and wears a normal white t-shirt over her blue bikini.

Due to how similar Tamamo Lancer's Ascension swimsuits look, you want to see the aforementioned garments present in the image for this tag to qualify. If you're not certain, it is best to not use this tag.