Inside Mari is currently available to premium subscribers on Crunchyroll. The final issue hit the website on August 18, 2016 and will hit paper publication in Japan on September 9th.
I learned a valuable lesson from reading Inside Mari: Be weary of any title that can't give you a straight description.
Every publication had the same, bogus description: It's about a boy who one day wakes up in the body of the teenager he loves and her secret!
Let me be honest. That's a load of bull.
I feel dirty knowing that I couldn't put this manga down, though I had every good, sound reason to. But in order to do this review justice, I just had to know the ending. And believe me, the clues are screamingly obvious early on, but just for you, dear reader, I stuck with it to make sure I wasn't giving out misinformation.
Fair warning, the following is very disturbing and there will be spoilers.
Codename Sailor Earth's secret identity is Koriander Bullard, (Formerly Ake) manga reader and underground cartoonist. The first manga titles she ever read were Sailor Moon and Urusei Yatsura. (Lum)