"No matter how unbelievable it is, as long as the conclusion is reached after excluding other possibilities, it must be the truth. That is to say– the criminal was doing the head down and feet up posture outside the window, stretched their arms in between the iron bars and strangled the victim in the room."
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"But... I actually tried it just now. My movements were very restricted when I poked my body out from the cliff. In this case, it's impossible to kill."
"Were there no poles or the like on the roof to fix your body?"
"Ah, a pole, there was something like a steel bar sticking out from the ground."
"That's the hook used to hang the safety rope. If you want to reach into the room through the window like you did just now, it should be quite inconvenient to move without fixing your feet, so you have to hang a rope and fix your lower half."
As long as the lower body is firmly fixed on the roof, even if the upper body is poking out of the cliff, you will be able to move freely to a certain extent.
"But hanging upside down to choke someone's neck... isn't it rather difficult?"
"I think it would require training, at least not anyone can do it without preparations. I think the criminal went through a long and hard training before they put it into action."
"Huh... but wait a minute."
I noticed a major flaw in her reasoning.
Even if the criminal was able to stretch their arms into the room from the window, the criminal still wouldn't be able to choke the victim's neck.
The reason why, it's because the victim wouldn't necessarily be near the window.
If the victim wasn't in that place, the criminal's hands wouldn't have been able to reach.
No, to be precise, it would be impossible to reach the victim.
"Hey, Kirigiri-chan, it's still impossible, because it's not common for the victim to accidentally be near the window, right?"
"It was the criminal who lured the victim to the window. I don't know if they made some noise to draw the victim over, or if they called them out... If they did, they might've said, 'I know a way out'. If they had claimed that they had in fact escaped and got out, the lure would have been more effective."
"Right..."
I almost agreed, then shook my head hard.
"No, the problem isn't that! Isn't the position of the window very high? At least with Chage-san's height, even the top of his head isn't as high as the window. Even if Chage-san was lured near the window, the criminal's hands wouldn't have reached the other's neck."
"Yes, this is indeed a problem." Kirigiri said, raising her index finger. "How did the criminal choke the victim's neck? Before thinking about this, let's review the murder of the first night, So you might be able to discover the key point."
