Twin Star Exorcists, Vol. 8: Onmyoji by Yoshiaki Sukeno
Rokuro is from a family of exorcists, but he'd rather be a singer, a soccer player or anything but an exorcist! He's forced to own up to his own incredible potential when new arrival Benio stirs his competitive spirit. But their rivalry gets a twist when they learn they are the Twin Star Exorcists- two supreme fighters fated to marry and birth the ultimate spiritual warrior! When Rokuro's childhood friend and newly minted exorcist Mayura must battle a Kegare to protect Sayo and Benio, she discovers mysterious hidden resources within-and outside of-herself. Then, a disconcerting truth about Benio's spiritual guardian is revealed...