For someone with dissociative identity disorder there's some really mixed feelings to this. The series is filled with rampant sexist fanservice (and I dont use those words lightly) which feels out of place and unnecessary. The story is a continuation of some kind of franchise, and the characters never gets a proper introduction, so everything feels a bit random on why and how, and the story is kind of unorganized and hard to follow some places.
Still, the positive part, the manga does a REALLY GOOD JOB portraying multiplicity, both in the characters Maika/Maito and Po/Ai. When a movie like Split can portray multiples
as murdering psychos without anyone raising an eyebrow (which shows how deep the stigma is, try to do the same thing with another group, like left handed people or even bipolar disorder and you'll get an outrage), it's really refreshing to read something that actually does get a nuanced portrait of a complex psychological phenomenon. Just to read a story where the main character is switching without anyone raising an eyebrow and it's completely accepted is fantastic. In that aspect this is kind of like the multiple's equivalent to LGBTQ-anthems like Shimanami Tasogare and suchs manga. I'm obviously exaggerating, but just as how the korean drama Kill Me Heal Me is the best representation of multiplicity in drama to this date - even it promotes integration as the only viable choice for multiples, one unfortunately can't be picky...
Another positive thing is the art which is great really fits the story. The characters have great expressions and I love how the artist managed to draw Maika/Maito so similar but yet so different.