In order to find the truth about what happened, Tooru leads his father away from the group as they sneak into the lab.  But his father finds out what he's doing and sets an ambush for them.
and seek out this warm heartbeat,
und nach dem warmen Herzschlag suchen,
y buscamos ese cálido corazón,
y buscamos ese cálido corazón,
e cerchiamo questo caldo battito del cuore,
e se buscarmos por uma
batida de coração quente,
делиться теплом своего сердца,