Made with only game screenshots.
Third Ascension is not 100% accurate.
Ascension 1
HokusaiFGO, purple hair, short hair, hair ornament, hair flower, hairpin, blue eyes, purple kimono, red kimono, wide sleeves, sash, obi, black fur collar
Ascension 2
HokusaiFGO, purple hair, short hair, hair ornament, hair flower, hairpin, blue eyes, black kimono, sash, obi, bare shoulders, off shoulder, cleavage, collarbone
Ascension 3
HokusaiFGO, purple hair, short hair, eyeball hair ornament, hair flower, hairpin, red eyes, pale skin, colored skin, bare shoulders, black dress, strapless dress, impossible dress, short dress, plunging neckline, breasts apart, off shoulder, long sleeves, fingers
Saber
HokusaiFGO, purple hair, long hair, hair ornament, blue eyes, twintails, bare shoulders, white bikini, sash, floral print, jewelry, bracelet, thigh strap, goggles on head
Traveling Outfit
HokusaiFGO, purple hair, single hair bun, hair ornament, blue eyes, hood, white hoodie, shoulder bag, hood down, pants
Exhibition Attire
HokusaiFGO, purple hair, short hair, hair ornament, hair flower, blue eyes, glasses, armband, bare shoulders, off shoulder, white coat, harness, black thighhighs, fishnet thighhighs, black skirt, long skirt, side slit, open coat, gloves, stomach, midriff, navel, garter straps, belt