Usato gets his first taste of battle after surviving the hellish training of the rescue team! Making the most of his newfound abilites, Usato aids the injured and heals the wounded, but danger lies just around the corner for his friends, Suzune and Kazuki! The two heroes find themselves face to face with the Demon Lord army’s black knight, a foe equipped with a terrifying, ominous suit of dark armor that’s seemingly impenetrable to any and all attacks. When their efforts amount to nothing, Suzune and Kazuki are left with their backs against the wall—the black knight’s blade getting ever closer. To save his friends, Usato will have to make healing magic his weapon and use it the “wrong” way to topple this ostensibly invincible foe.

The Demon Lord’s Army moves in for the kill! Healer Usato races to the front lines! After gaining immense power from the hellish training he barely survived, Usato joins the fight against the Demon Lord’s Army as a healer! He dashes to the front lines to save his dear friends... only to find a black knight enveloped in menacing magic power lying in wait!

Usato and his friends have earned the respect of the leaders of the Wizardry City of Luqvist, who agree to help the Llinger Kingdom stand against the Demon Lord’s forces. Usato then parts with Suzune and Kazuki, and together with Amako, Blurin, and their guard Aruku, he sets off for their next destination—Samariarl. On the way, however, Usato hears a young girl’s cry for help, and finds her surrounded by zombies. After fighting them off, the girl tells him that a necromancer is running wild and pleads for his help. “Please,” she says, “save our village.” Usato can’t refuse people in need. He takes it upon himself to rid the village of the necromancer that terrorizes it, but he’s about to find out that there is much more to the village than meets the eye!

Usato gets his first taste of battle after surviving the hellish training of the rescue team! Making the most of his newfound abilites, Usato aids the injured and heals the wounded, but danger lies just around the corner for his friends, Suzune and Kazuki! The two heroes find themselves face to face with the Demon Lord army's black knight, a foe equipped with a terrifying, ominous suit of dark armor that's seemingly impenetrable to any and all attacks. When their efforts amount to nothing, Suzune and Kazuki are left with their backs against the wall--the black knight's blade getting ever closer. To save his friends, Usato will have to make healing magic his weapon and use it the "wrong" way to topple this ostensibly invincible foe.

Usato, an ordinary high schooler, happens to run into two fellow students after school one rainy day. Suddenly, all three of them are engulfed in a magic circle and transported to a fantasy world. There’s just one tiny problem—Usato is simply dragged along by accident! On top of that, Usato learns that he is capable of using healing magic—an incredibly rare affinity in this new world. Now Usato must spend his days with the rescue team thugs, struggling through their hellish training regimen—learning the wrong way to use healing magic. Get ready for an eccentric otherworld fantasy filled with comedy and combat!

Nack is a young healer who can mend his own wounds, but Mina and his classmates bully him mercilessly for his healing abilities. Now that Nack is facing Mina in a battle that will settle the score, he’ll soon discover what a brute Usato can be!

Usato parts with Kazuki and Suzuki, and heads to religious country of Samariarl with Amako. On the road they help a young girl being attacked. The girl’s attackers . . . zombies?! And the one controlling them . . . a necromancer?!