Kiss: woman, woman, medium skin tone, medium-light skin tone emoji π©π½ββ€οΈβπβπ©πΌ is part of the People & Body and Family emojis. On some systems it can be accessed by using :kiss_woman_woman_tone3-2:, :kiss_ww_tone3-2:, :kiss_woman_woman_tone3_tone2: or :kiss_woman_woman_medium_skin_tone_medium_light_skin_tone: shortcodes.
It was approved as part of Unicode in 2020 so it should be displayed properly on newer devices.