Wow. I don't know why, but somehow this manga really got to me.
My interpretation is that Kishi made a deal with someone to stay in the human world during elementary school and if someone falls in love with her during that time, she can stay there.
Yuu's love for her and them being together all the time is what gave her enough strength to stay way past elementary school.
But when she started distancing herself from Yuu, she became too weak to stay in the human world and had to go back to wherever she came from.
And when she turns 18, I guess her "powers" will have matured enough to allow her to go to the human world by herself and stay indefinitely.
I'm not sure what kind of being Kishi is, but honestly I don't think it really matters here.
At least that's how I see it ^^
Anyone know if there will be a sequel to this?
last edited at Jul 13, 2016 8:23PM