That JAV

Yuna Murayama is married to an ordinary man and loves her son Daichi, who is a middle child. She was given magical powers by God and is a warrior who fights Shazak demons as Fontaine. However, the source of her power is implanted in her womb, and when she uses her magical power too much, it transforms into an ill-omened rod of flesh, inviting her to indulge her lustful desires.... Leona, a female Shazak executive, feeds on men's semen nightly for her own energy, but when she discovers that Fontaine is a bisexual, she goes after her semen! Fontaine is taken hostage by her son Daichi, who is led to ejaculate by Leona and then transported before the eyes of Daichi, who has been poisoned. The only way to save Daichi is to make him ejaculate and remove the poison! What is Fontaine's choice in this forbidden act? ［BAD END]