すなお素直sunao
1.
A quality of being receptive to the opinions or advice of others without resistance, often displaying a willingness to comply or accept guidance.
2.
The characteristic of having a straightforward and unassuming nature, free from pretentiousness or complicated traits, often exhibited in one's behavior or appearance.
3.
An absence of artifice or embellishment, indicating a genuine and transparent demeanor, where one presents themselves in a natural and honest manner.
Example:
思っていることを素直に言うのは悪いことではありません。