"I was caught by that thing wandering on my own. I have to play my cards right to get away." Arata made some bull excuse. If it was still the game or at least Keiko's route, that kind of bull excuse would work. The player dialogue in that route would sometimes be filled with stupid excuses, which Keiko would believe. However, Attori was the queen of perception; Arata just hoped he wouldn't be sold out.