In a lively family and school environment, a boy born in the first year of the lunar calendar leads a predictable existence until a mysterious girl, Makina, captures his attention. Despite his intrigue, he hesitates to approach her. Just before the start of the lunar calendar's first month, another enigmatic girl, Rushia, emerges. She unveils a hidden power within him named 'Snake Eyes' with a gesture that hints at an impending kiss.