The Labyrinth of Grisaia is a sequel film to the first season of the Grisaia trilogy. The entire movie explains Yuuji's sad and lonely past and it was depressing as hell. In this film we see his relationship with his sister Kazumi. She was the star and he was the outcast but she took time to hang out with him and later began to care for him more, lovingly.
Kazumi and Yuuji's relationship I really liked at the beginning,and then the bath scene happened. It was weird and gave me chills that didn't feel good. But the thing that caught my attention was when Kazumi mentioned that she would find a suitable friend that was a girl for him and that she approved of. My guess is that that friend turned out to be Amane, since she grew really close with her during the Minibus Disaster.
Now Yuuji's parents. His father was a major asshole before and after Kazumi's "death." His mother however grew. At the beginning she ignored Yuuji but after Kazumi's "death" and his father going insane she became more loving and caring towards Yuuji.
And lastly Rei. I don't even want to talk about him quite yet since he's in the second season but let me just say, he can go to hell. The entire thing with him taking Yuuji in and making him dress up as Kazumi just made me want to snap his neck. It was horrible how he treated Yuuji but if he hadn't sent him to that training school, who knows how Yuuji would be like present.
All in all, Labyrinth gave us a ton of answers for Yuuji's past and let us see how Kazumi acted before the Disaster. I enjoyed it no matter how much the father and Rei pissed me off, along with the sudden brother/sister affection stage.
I give Labyrinth a 7.5/10 for the story, characters and animation. The sound wasn't the best thing I've heard but pretty good. And for my enjoyment, I was pretty invested with it.
