Responses
Have you tried the option "read for ink"? You get those in your messages. Basically you have to read 3 or 4 free chapters of a given series and they give you bonus ink you spend on the series you want. You also get a fortune cookie with free ink every Monday that you have to claim. About the ads, you have to keep checking regularly, you'll get some.
when the watch ad options are not available in your region