First Senpai notices you, then Senpai takes your picture, and then...You make some sweet Vanilla loving with Senpai.
Also, I must say, the part on page 6 where she was smelling him through his pants was kinda...cute. Cat-like, almost, and the nekomimi just made it that much better.
Great ending though! Well, what she says certainly does make sense. I mean, pictures work too, but he may as well just use her instead!