Erhard

Profile
Alternative Name: Info
 * 親父 (Oyaji)
 * Old Man
 * Uncle
 * A blacksmith that sells weapons and armor
 * Oyaji is a recurring character throughout the first few volumes.

Volume 1
On the first day of summoning, Oyaji sold weapons and armor to Iwatani Naofumi and Malty Melromarc.

After hearing of Naofumi's crimes he's appalled by him and request to hit him but ultimately refrains. Instead, he loans Naofumi a set of basic clothes.

Naofumi returns with Raphtaria. Oyaji sells Naofumi some clothes and a weapon.

When Raphtaria's weapon breaks Naofumi returns to Oyaji's shop and purchases a sword for her. Oyaji gives Naofumi a whetstone to help him take care of the weapon and with it Naofumi is able to unlock the Whetstone Shield.

Volume 2
Oyaji makes the Barbarian Armor for Naofumi.

Oyaji helps Naofumi make cloths for Firo.

Oyaji Naofumi, Firo, and Raphtaria have a BBQ together.

Volume 3
Oyaji sells Naofumi a magic embedded sword for Raphtaria. Oyaji makes the Barbarian Armor version 2 for Naofumi. Oyaji makes an Iron Carriage for Firo to pull for Naofumi. ==Relationship==
 * Iwatani Naofumi (Customer & Friend)
 * Raphtaria (Student)