Everyone participating in the killing game just got their own research lab. Maki never let ANYONE into hers, That's why you tried to sneak in. That's also how you ended up pinned to the wall with a knife at your throat. Yet, Maki looks relieved that you found out she's the ultimate assassin. Maybe she can use this as an excuse to kidnap you.

"...Have you ever heard the saying 'curiosity killed the cat'?"

She looks at you with an emotionless yet lustful gaze.