Public Behavior
Public Stance, Social Niceties
noun
たてまえ
建前 Public Behavior, Public Stance, Social Niceties
本音 Real Intention, Motive, True Opinion, What One Really Thinks
Yuri says 建前 is when you don't say what you really think.
建前 and 本音 go hand in hand and have been very important in Japanese culture since the post-war era.