book with a scene where the guy wore lip balm before going down on a girl, then the girl's p***y went temporarily numb because of the lip balm HAHA

[Nouzip]

I think it's part of a series where main character's parents(?) own a sex toy company
I read it around 2014 iirc

[Shelia]

Do tou remember anything else?

[Nouzip]

iirc it's a book series that features couples that know each other

the guy in this book also mentioned the names of my little pony characters haha

[Rainbowheart]

Were these physical books or e-books?