Hi, here's an almost perfect translation - it's definitely Korean, like the other posters mentioned. I started laughing at the last two sentences... enjoy.

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Miniskirt of the subway (title, far right)
Perfect fantasy science (title, top left, not too sure about this one)

(top paragraph)
From the inside of the skirt, let the point of contact between the inside of the thigh and the skirt be 4cm, and the edge of the skirt to the inside to be 12cm in length. From the side, a right angle triangle ABC forms from the "region" of "manifestation" and the skirt.

(bottom paragraph)
If BC is extended to E, where the eye of the observer is, B comes in the the field of view. if a perpendicular line is extended from E, the extension of BC, and right-angle triangle DEC is formed, it is shaped like thus. From ABC, AB is 1/3rd of AC, and thus, from DEC, DE is 1/3rd of DC. DC is the distance between the observer's eye and edge of the skirt. If this is 1.6 meters, DE, or the height of the eye is 53.3cm from the edge of the skirt. If an 170 cm tall observer sat normally, that height is 70cm. If the eyes are not lowered, 17cm, the inside cannot be seen, and in order to (make the inside of the skirt) be seen, the buttocks must be conspicuously dragged 45cm forward.

(top diagram, dotted line)
It can be seen this way)
(top diagram, thick line)
Staring zone (literal translation)
(top diagram, solid line)
It cannot be seen this way