It is the Taisho Era.Sayo, who was born as the "bird in a cage" of the Tenkanji family, one of the most prestigious families in the financial conglomerate world, had a secret that she hid. The curtain rises on...

"I hate summer." The reason being... that my cousin Yuzu comes to visit every year.Whenever the two of us are left alone, she does all manner of things to me... It really peeves me off how she plays and toys...