These keep appearing on my thigh, and I try to remove them, but they keep appearing. What are these? (NSFW for pic being taken near butt.)

38 43

33 12

63 47

25 12

44 21

301 22

78 41

51 44

31 40

32 12

64 44

53 22

58 44

34 12

54 11

39 41