Throughout his 17 years of life, Nowaki Asunaro has never been favored by fortune. He is constantly hindered by mishaps, ranging from small incidents like being drenched by a bucket of water to bigger accusations of wrongdoing. Despite his bad luck, he longs to form a friendship with his love, Hashihime Banri, but his fortunes always fail him.
One day, fate takes another unfavorable turn and Nowaki seeks shelter from the rain in a dilapidated temple. Unfortunately, hunger and the exposure make him ill. However, in his dire situation, he prays for survival and the opportunity to bond with Banri. Unexpectedly, he appears to have unwittingly summoned a deity. Will this unexpected encounter finally bring him the good fortune he has never experienced before?