I, the Equipment Forger

Ryo Rokunomiya inherited a system of blacksmiths from his country grandfather and became a blacksmith with honor.It's just... why do these equipment blueprints look wrong?
——"Yoba Corps Standard Equipment", "Hunter's Strange Weapon", "Olihagan Teigu", "Void Weapon", "Relic Weapon", "Heroic Spirit Noble Phantasm", "Zanpakutō", "God Slayer" Tool"……
Chapter 40 Tactical Gun, White Contract, Undead Slash, Meat Saw, Demon Haunted, Crown of Thorns, Sun Blade, Ten Thousand Talismans, Thousand Sakura, Holy Spear of Dusk, Armstrong Cyclone Jet Cannon, Telephone oven (tentative)—”
Reborn in a parallel world, starting from the inheritance of Japan... (Main world Cthulhu + fusion animation world crossing.)