“If… if back then in the past, Dia didn’t summon him during that stormy night, and attended the following year’s ball…— —what kind of future would they have? When she wondered about such things, it was as if her chest would burst. In the last 13 years she had lived along with despair, Dia acknowledged that she had indeed ruined her future with her own hands. However, the sharp pain that ran through her chest—she didn’t feel it for the first time. …It’s been a long time since that ball. It felt awkward to walk around while clutching her painful chest everywhere she went. She wondered if her footsteps of today were still steeped in the blood of that night. That stormy night…” RegretPainfulWhat IfIf OnlyRuined Future Book:長い夜の国と最後の舞踏会 1 ～ひとりぼっちの公爵令嬢と真夜中の精霊～ Source: 長い夜の国と最後の舞踏会 1 ～ひとりぼっちの公爵令嬢と真夜中の精霊～