Mushoku Tensei Jobless Reincarnation (Light Novel) Vol. 10

WEDDED BLISS-OR BANE?! A new chapter of Rudeus' life beckons as he throws himself into his research, house-hunting, and planning a wedding. But then an unexpected letter, bearing shocking news, arrives to interrupt the young couple's domestic dreams. It seems the past still isn't done with Rudeus, and neither is a certain mysterious white-masked girl!