Blue Birthday (2023)

Facts and Truth of that Day (1x4)

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Karin returns to the past again, and there she settles the question with Mayuki and rescues Saki just in time. In the present, however, Jun has disappeared again. With many doubts in her mind, Karin turns to journalist Minami Yuto, asking him for the case file from back then. To find out what happened, Karin goes back to the past again.