Modern MoGal - Ch. 177 - The Park Under the Full Moon (4)

[MangaDex]

 

[ShamefulFox]

So she knew because her sense of smell increased and allowed her to notice the difference/similarly

 

[beep_repair]

Parents asleep at the wheel. Keeping an eye on lunar cycles should be second nature by now. And kid should have been trained from day one to recognize & cope with her monthlies, should they ever arrive. Bad doggie. And humanie. No biscuits.