To reach Ending 2 you need three 'Lilith' points.

Ending 1

First choice: But the stranger might be suspicious, so Eve recalls the meeting without skipping any detail.

Second choice: “I’m not supposed to keep secrets. I’m sorry.”

Third choice: “Yes. More than anything.”

Ending 2

First choice: “Someone interesting. That’s all you need to know.”

Second choice: “Of course. Who would I tell, anyway?”

Third choice: “No. I could never.”