That honey trap was successful beyond their wildest conception.
She gave him a sob-story, and he buckled instantly; gave her the formula for the fractional coefficient of statistic leveling, worth literally Trillions of ¥en (Billions of Dollar$), cos she was pretty and vulnerable at the same time.
... And stop lying, you guys; you're only pissed because
A. You saw it coming from a mile away, and
B. You only saw it coming because you personally fell for it 100 times in High School.
Just like me, and everybody else; even the girls.
We've all fallen for it; it's just MC's turn, is all.