Do u want a "so sad ;-; what is the meaning of life?" crisis, a "so fucked up! Why we still here?" crisis or a "that's so deep, makes me reflect" crisis? Also, can it be a doujinshi?
I like the options XD
The current manga that make me think of not judging people's past behaviour -
http://www.mangago.zone/read-manga/six_half/
And also questioning my own sanity, certain times
it’s a longer read though
http://www.mangago.zone/read-manga/imawa_no_kuni_no_alice/
Three Days of Happiness makes me start panicking that I'll become a loser with a value of $0 at some point in my life
All one shots.
So sad ;-; what is the meaning of life?_
http://www.mangago.zone/read-manga/the_straw_hat_and_the_carp/
http://www.mangago.zone/read-manga/double_suicide_i_kuroko_no_basuke_dj/
So fucked up! Why we still here?_
http://www.mangago.zone/read-manga/memergence_metamorphosis/
http://www.mangago.zone/read-manga/kami_no_kodomo/
That's so deep, makes me reflect_
http://www.mangago.zone/read-manga/magnolia_sumiyoshi_ryo/ (dunno what this one falls under)
http://www.mangago.zone/read-manga/lisa_and_the_town/
http://www.mangago.zone/read-
manga/sazanka/
http://www.mangago.zone/read-manga/seed/
Dunno why the link broke http://www.mangago.zone/read-manga/sazanka/
manga/hwa/ua that will give me an existential crisis