I also have this, it should be undeveloped content. At least the walkthrough listing said so. In fact, I have talked to them, When Samantha asks if she has to get out of the way:Andrealphus
This event is bugged under certain circumstances.
If you complete the entire Samantha questline and make her a member of your harem, you can't continue the events with Emma. If I had to guess, the game has trouble determining the nature of your relationship.
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No!: Samantha arranges a meeting with Mike and Emma the next day 14:00-18:00, I really can’t move forward. The current choice is I want to explore with Emma. But when Sam has 45 les points, it should be will trigger the event that cannot be completed.