if hana and haruhito have more developed in character, maybe thats okay to end them like that, but imo they didnt have much developed.
MC just slain another boobs in this manga haha, This manga is on boobs crisis right now
Why they have to stab each other? Is she just have to touch those kids again to cancel the illussion and save them from dead? Then the four of them just have to do a little chat to escape, I mean pattisier and detective already died, also if I recall from past chapter you just need one pf 3 keys...