Three Six & Seven's Head

 is the seventy-third chapter of the Seven Magicians series, released on _______ and compiled in the seventeenth volume on August 8, 2017.

Summary
Head master Liber talks Ciriatto into a fight with Hijiri and Ana stating they both worthy opponents.

Ciriatto attacks first was a claw based attack which destroys there surrounding and chases both Hijiri and Ana into the sky. Hijiri blocks it using "Vegtam" which instantly nullifies it. Ciriatto emerges from from unscratched, after a brief discussion between them, Ciriatto unleashes "Elemental Left" in which Ana uses the "Spirit Sword" to defend, much to Ciriatto amusement, he then releases a large sworn if beasts at Hijiri and Ana.

Fully recovered, Arata then begins to commencea very erodic fusion with Judecca. A somewhat envious Rubine asks Arata for a rematch in which Arata agrees. Just then an arrow approaches, Rubine tries stopping it with her hands, but failed and it went straight through her hands going straight to her head. Arata stops it just in the nick of time and read the letter attached to it which was sent by a mysterious ninja tell him to come the seventh layer. Rubina trilled about the thought of someone being able to pierce her hand, Arata then asks her if she'd like to come with him, she replied instantly with a "Definitely"

Back at the battle with Ciriatto Hijiri and Ana appear to be fighting a losing battle with Hijiri surrounded by a swon of beasts and just hanging on, Ana covers for Hijiri by summoning "Elemental Knights"which destroys all the beast surrounding Hijiri. Ciriatto summons "Doomsday Monstrosity

Characters

 * Anastasia-L
 * Hijiri Kasuga
 * Master Liber
 * Gatolhog
 * Arin Kannazuki
 * Arata Kasuga
 * Judecca
 * Rubina
 * Lieselotte Sherlock
 * Selina Sherlock
 * Melione
 * Akio Fudo
 * Okto
 * Yui Kurata
 * Mira Yamana
 * Lilith Asami
 * Albalisha
 * Ilia

Cameo

 * Levi Kazama