The Room of Locked Up Memories is the twenty-eighth chapter of the Tasogare Otome × Amnesia manga series.

After the events that unfolded in the Interdimensional 13 Steps, the Paranormal Investigation Club headquarters is left with two members absent, and Teiichi is noticeably affected by what happened. Unbeknownst to Momoe, who is not involved with the events from the day before, Teiichi confronted the two Kanoes regarding his decision involving Yuuko's future.