With Your Mom's Tits is an Adventure RPG set in a vast fantasy world filled with various countries, towns, humans, animals, and monsters. Fight your way through a treacherous continent to rediscover the meaning of life — with the help of a cute magical dog!

Cousins Mana and Joe become orphaned after disaster strikes their hometown of Marglencia. Bereft with grief, the two children find solace in each other's company and embark on a soul-searching trip to the top of Mount Apefa. Their path is dangerous and unpredictable, but on their side is a helpful companion: Joe's mother's secret pet dog Tits who possesses magical powers.