Parasyte -the maxim- (2014)

S1E8 Freezing Point

Shinichi is starting to enjoy a more normal existence again. Yet, with Migi's cells spread throughout his body, his physical capabilities have surged, making him far stronger than even Mitsuo. Shinichi worries that these enhancements might extend beyond just his body and affect his mind as well. Just when he thinks everything is settling down at school, a new parasite emerges, disrupting the calm.