機微
Noun
1
noun (common) (futsuumeishi)
subtleties;niceties;fine points;inner workings;secrets
女心の機微を存分に楽しめるドラマである。
It's a drama where you can enjoy the delicate workings of a woman's mind.
2
adjectival nouns or quasi-adjectives (keiyodoshi)
subtle;sensitive