Vol 5: Ch 319 - Story of Mei and En (3)
After his investigation, he stops what he's doing, or else he might be R's enemy when in fact no one can defeat someone who is very high caliber since R really deserves to be the top hacker. As for him, he is just a programmer that knows a little bit about hacking and his Secretary is also a hacker like R but very not on par with R. Even though he stops before got traced by R but R is still now aware that someone investigating her sister and warned her at night by coming to Mei's room.
Rei: Mei, tell me who did you really offend?
Mei: Eh, why and what's wrong Sis?
Rei: Someone investigating you for the whole week, so tell me who did you offend this time because of your straightforwardness, so who?
Mei: Jang En, my VIP Student. So Sis who is this Jang En really?
Rei: How did you offend this Jang En? Is it a he or she?