It was the day before summer break. On that day, the protagonist, Kuzuhara Kei, was given an astonishing instruction from his father:
“You have a fiancée. Go greet her.”
Kei, still harboring unrequited feelings for his childhood friend Annabel , proceeded to the meeting place planning to decline the marriage proposal. But waiting there for him was… Annabel in maid clothes.
“I’m your fiancée, and from today on you’re my master♪”
And so, this summer break Kei began living together with Annabel.
The girl that was his childhood friend, close friend, and unrequited love had become his childhood friend, close friend, fiancée, and… maid!