He later tricks her into having sex , so that his magical sperm can protect her from the lizard demons .
The demon then tries to seduce Akemi , until Jyaku manages to drive the iguana demon out .
Jyaku later tricks Akemi into having sex , so that Jyaku 's magical sperm can protect her from the lizard demons .
The demon then tries to seduce Akemi , until Jyaku manages to drive the iguana demon out .