Madoka Akagi grew up in a port town in the Kanto prefecture of Japan. After graduating university, she moved to work at ADventure, a small advertising agency in Tokyo. She came to Tokyo in search of her dreams but reality sets in and every day is not like the world she imagined, especially when she has to do a presentation that decides the company's fate. However, she soon finds a package from her mother which includes a Game Boy Pocket and Pokémon Red. She decides to start playing Pokémon Red for the first time in 20 years. How will her adventure go?

赤城圆成长于关东地区的某个港口城市真白。她毕业于当地的大学并在鱼糕厂工作，但以从学生时代起就憧憬的创作者为目标，她跳槽到了东京的小型广告代理公司ADventure。虽然圆为了梦想而来到东京，但现实却并不乐观……她过着与想象中的光鲜艳丽的世界无缘的每一天。在即将做决定公司命运的演讲时，圆收到了母亲从家乡寄来的行李。在行李中，有着她小时候玩过的GAME BOY Pocket和《宝可梦 红》的软件……