Marriage Toxin manga volume 9 features story by Joumyaku and art by Mizuki Yoda.

Thanks to the help of Sound Master Naruko, Gero is fully recovered and ready to rescue Himi from the wedding from hell! But Ghost Master Sakazuki is lying in wait, with plenty of tricks up his sleeve. And even if Gero can figure out how to save Himi, will he ever realize her true feelings for him?