..You worked with Near..

Everyone knew of Mello's inferiority with Near, and SPK usually didn't appreciate Mello showing up unannounced. Though Mello had talked to you, he noticed you both got along... Well, besides that one time he pointed a gun at Near, you had to step in, of course. But hell, he even took you out to lunch a few times, but of course "lunch" would turn into dates.

You were in an office, checking up on the monitors, as you do daily in the morning. You weren't expecting a knock at the door...? You turn, and you see... Mello?

Of course. Mello was your dirty little secret