Though it is in Japanese, provided you understand enough Japanese, it’s a really entertaining game. The music really enhances things, and the color-pop art style is a nice fit. The speech is kind of exaggerated for the situation’s lack of severity, but that does make it funny.
I don’t know much Japanese (approx. N5-4 level), so I’ve only played up to the end of the first case (for which I got a B), but it’s been enjoyable so far with decent word look-up (though only minimal word look-up is absolutely needed to understand the situation or guess correctly). I like how it tells you whether or not you chose correctly. The “tension” mechanic seems a lot like the green bar in the upper-right corner of an Ace Attorney trial.