Isekai Harem Monogatari
Contrast this with a "low-quality" , where the hero defeats a villain, the princess falls in love, and she is added to a spreadsheet without any emotional friction. The difference is development . A good monogatari spends volumes developing the relationship before the confession.
Evelyn arrived in a cloud of music and lavender smoke, a court mage whose laughter had the sort of warmth that invited secrets. She winked and called him “master,” but her fingers were quick to teach him charms that mended a stitched sleeve and, later, stitched hearts. isekai harem monogatari