onjurim's brother who went up to 100th floor is gru's dad, right?

Noo stop that’s messed up I didn’t even think of that. Ok I have become brain rotten I can’t even guess family ties now~
༼ つ ಥ_ಥ ༽つ

what if the brother, after going to 100th floor, became the system or now can interfere with the system, and helping gru through it ╥﹏╥ i remember in the earlier chapter, the system got an error and suddenly shows a different message to gru.