suzutsuki (beachside attendant!) (azur lane)
The bikini official alternate costume of Azur Lane's Suzutsuki, as seen in post #4107049.
Her swimsuit consists of a black bikini worn with a see-through white shawl, plus blue-colored aviator sunglasses and brown sandals.
See also
This tag implicates suzutsuki_(azur_lane) (learn more).