[luckyssol]

Originally Posted by LyricalAura

After the letter was delivered, Genji and Krauss returned to the dining room and discovered that Battler had received the ring. Not a single person left the dining room until 1:00. At 1:00, Eva and Rosa left, and Eva went directly to the servants' room and sealed the door, supposedly with Genji inside. However, no one else left the dining room until Eva returned. Therefore, it is flatly impossible for Genji to have been in the dining room at the time given. The scene we were shown is false.

Not a single person left the dining room until 1:00.

That red text refers to all the people in the dining room after Natsuhi, Krauss, and Genji left. If there was no specific time reference binding the red text then that would mean that from the very first time he entered the dining room at any point during the day he would be forced to stay there until 1am the next day. It is impossible to interpret the red text this way because Erika, the detective, definitely entered the dining room during the day and left it prior to 1am.