Seventh draws them into a trap, but Gasai recognizes it and recovers their diaries. Eighth's agent destroys the building.
Amano's dad steals Seventh's parachute to escape. Amano's mom confronts him and he kills her.
Seventh die. Amano and Gasai escape with the other parachute.
I'm sure you've all been wondering: did Gasai kill her own parents?
The answer is yes, but by the time that's confirmed you realize that there's a reason she's crazy and it's their fault.
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Eleventh's agents kill Amano's father. Amano decides to win so he can fix everything.