Maizawa has been harboring a grudge against his former classmate Miya for stealing his girlfriend in highschool. The rivalry between Maizawa and Miya, his proclaimed arch-nemesis, continues even into adulthood when they miraculously end up working at the same company. The charismatic Miya is good at his job and popular with both men and women. While Miya shines brightly every day, Maizawa lives depressed in his shadow. His only source of emotional support is the secret account Miya runs...!!! By posting explicit photos under the username MIA, Maizawa feels a sense of superiority, believing he holds Miya's weakness. What starts as mockery turns into obsession, leading to Maizawa's chaotic internal struggles as his own feelings towards Miya begin to turn! This erotic slapstick comedy is the launch of Hitotori Penguin's debut comic!