A pure and talented girl, known to everyone as the "Sunshine Angel" and the "Otaku Goddess";
Behind it lies an unfathomable secret;
Life is self-written, self-directed, and self-acted, and the four-fold personality unfolds over time;
Two boys appeared in her life in an instant, and a tangled love triangle unfolded in her personality;
In the end, who of the "sisters" will her life belong to?
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.