最悪の誕生日から10年後を舞台とする全2話の「ブルーバースデー ～最高の誕生日～」は、准が花鈴の28歳の誕生日にプロポーズをしようとタイムリープしながら悪戦苦闘するラブコメディに。
遇播放卡顿或无法播放时，可切换线路播放
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