Couple with heart: woman, woman, dark skin tone, light skin tone emoji π©πΏββ€οΈβπ©π» is part of the People & Body and Family emojis. On some systems it can be accessed by using :couple_with_heart_woman_woman_tone5-1:, :couple_with_heart_ww_tone5-1:, :couple_with_heart_woman_woman_tone5_tone1: or :couple_with_heart_woman_woman_dark_skin_tone_light_skin_tone: shortcodes.
It was approved as part of Unicode in 2020 so it should be displayed properly on newer devices.