A sweet encounter between a nerdy artist and a beautiful programmer.

The 24-year-old male protagonist, a freelance artist, has a chance encounter with the 23-year-old female office worker who lives next door.

When the male protagonist discovers that the female is actually his childhood friend, whom he once mistook for a boy, despite being separated for years, it's a surprise, but it also sparks a closer relationship between the two.

After a series of misunderstandings, conflicts, and mutual support, their relationship gradually blossoms—until after a summer trip, they officially begin a relationship with the intention of marriage.

Eventually, the female protagonist quits her job and, together with the male protagonist, establishes a small independent game studio. They strive to fulfill their childhood dream, while showing off their affection...