Okita Souji (Alter) from Fate Grand Order

Asc1: medium hair, grey hair, grey eyes, dark skin, black ribbon, hair ornament, short dress, underboob, bridal gauntlets, armored boots

Asc2: very long hair, grey hair, grey eyes, dark skin, black ribbon, hair ornament, short dress, underboob, bridal gauntlets, armored boots, coat

Swimsuit1: long hair, grey hair, grey eyes, dark skin, black ribbon, hair ornament, white bikini, black cropped jacket, Orange ribbons, partially fingerless gloves, red belt

Swimsuit2: long hair, grey hair, grey eyes, dark skin, black ribbon, hair ornament, revealing clothes, white haori, official alternate costume, orange lace trim

Swimsuit3: very long hair, grey hair, grey eyes, dark skin, hair ribbon, rd ribbon, black ribbon, hair ornament, multicolored hair, glowing hair, ponytail, white bikini, mecha musume, black detached sleeves, wide sleeves, black armor

Not gonna count the swimsuit 3 version, because works so-so, so 4 costumes. It kind of works overall, but do not expect accuracy on the mecha armor parts