I think this sounds really interesting and although not particularly keen on the episodic release model myself, the process of seeking help regarding mental health issues does tend to be one done in stages.
Not too much to go on just yet, however episode one is named Diagnosis and will study the beginnings of the protagonist.
“Echoes is an episodic game which explores psychology and mental health, it ties exploration gameplay with puzzles and features two distinctive visual styles based on the core narrative themes.
The story, unique blend of visuals and challenging gameplay will come together to create an unforgettable experience.”