Despite absolutely nothing changing about their surroundings at the first glance, the unidentified third heartbeat rate increased.
Not by much, which meant that whoever was observing them was quite used to dangerous situations... but still.
A reaction like that meant that they were keenly listening to whatever topic he and Kierul were talking about and not some random bystander trying to hook up with their sweetheart in the classroom before the school activities start the next day.
Who knows, maybe the sneaky third person was originally preparing to attack them from behind?
"Would be a shame too since we are going to the headmistress's office to clear out the mistake about you being dead, young lady Helterose."
"Right? I simply can't understand why no one even tries to have a normal conversation and just throws themselves at us."
Zoemi snickered internally and followed up exactly as Kierul wanted him.