It is highly implied that this two girls might appear in the next chapter of the game's story, but that is just my guess.

T34/38 said:

It is highly implied that this two girls might appear in the next chapter of the game's story, but that is just my guess.

They mentioned that this is the next main story update, so it's highly likely. Not sure where this is was verified, but they apparently belong to SRT special academy, which was briefly mentioned in V3Ch3Ep5 to be closing during a press conference with the Federal Student Council.