In this captivating tale, our protagonist Hikari Nana is an elegant young lady attending an all-girls school. She's dating university student Yoshida, who doubles as her boyfriend and older brother figure. Raised by a busy father in a single parent household, she finds solace in their relationship despite their age difference. However, their seemingly perfect world takes a dark turn when loan shark Satsuki enters the picture. He has his eyes set on innocent Hikari, setting off a chain of events that threaten to tear apart not just their bond but also expose them to dangerous elements lurking beneath society's facade...
