Teiress's manga / #another world(2)

She dies in CH1 but instead of "dying" she disappears without a trace only to reappear--with full memories & no altered appearance--into a retired emperor's palace. The share a night together in his bed & end up engaged by ch7 where the book just ENDS with many threads left unfinished.

it had the most thorough ending everything gets resolved & everyone who matters gets a good ending--WITHOUT trailing off rom the main pairing!