Watashi ga Shinde Manzoku desu ka? - Utomareta Reijou no Shi to, Nokosareta Hitobito no Hametsu ni Tsuite - Vol. 2 Ch. 6

[Rafalga]

Spoiler: Here's some spoilers, keep in mind this goes into end of story stuff pertaining specifically to MC+ML.

wants to keep her in the dark for as long as he can to secure her for himself.

That doesn't sound like a very noble thing to do. Maybe he was right to think that she might find him creepy.