The Maid whose Inner Thoughts Leak Out Easily manga, Kokoro no Koe ga Moreyasui Maid-san 心の声が漏れやすいメイドさん
Being honest is good. Probably.
With Shuuji’s parents overseas on business, a maid has come to his house. She’s cute but she can’t keep a secret?! With her expressionless gaze, she thoughtlessly says the craziest things…! Living with this maid whose true thoughts are laid bare, a second year high school boy is thoroughly made fun of!