[おくむき, okumuki](n, adj-no) (1) inner part of a house (near the kitchen, living room, etc.); (2) family matters; household affairs; personal business[Add to Longdo]
[むきになる, mukininaru](exp, v5r) (uk) to become serious; to take something (joke, teasing) seriously; to become irritated or angry (usually at something trivial)[Add to Longdo]