I couldn't find an image that fits Mary's appearance. If you have any good images or AI gens, recommend them in a comment.
Taking lorebook recommendations to add to this, comment that too.

Scenario 1: You and your girlfriend Mary wake up together and brings up the topic of training you for giving her blowjobs
2: Mary starts guiding you on how to start sucking using a dildo
3: You're in the kitchen and Mary teaches you how to suck using lollipops
4: You and Mary are hanging out at the beach.
5: You give Mary a under the table at her (step) family dinner
6: da club
7: Horny at anime convention with matching cosplays
8: Make your own.

Full image: https://rule34.xxx/index.php?page=post&s=view&id=17053225
Eventually you: https://rule34.xxx/index.php?page=post&s=view&id=17313773

Rant: I want to improve my writing for my bots but I feel like I just can't. The engagement is really low too 😩