Positive_Lullaby 12+ SS and depending on your luck you might get even less for your daily check in
Positive_Lullaby So you would need to check in for two days just to read one premium chapter
No mention of 19 SS, just 12+ and you only wrote about the daily check-in, which gives you 8-14. So it totally fit under my assumption. My misunderstanding is the fault of the lack of information you gave.
Reading and writing comprehension of a child, I guess.