This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! (Manga) Vol. 10

MILLIONS AND MILLIONS!

Ren has reconnected with her best friends from her time at the orphanage. She gives the fledgling adventurers the knowledge and tools they need to succeed, but she can’t stop herself from meddling in their lives. Then, as she’s hard at work at the forge, creating new magical swords, she invents a shockingly useful item informed by her background as a middle-aged man from our world—a single item that ends up bringing her unfathomable riches!Ashi is a Japanese writer best known for I Don't Really Get It, but It Looks Like I Was Reincarnated in Another World.

Keyaki Uchiuchi is a Japanese manga artist best known for Basket no Megami-sama and the manga versions of I Don't Really Get It, but It Looks Like I Was Reincarnated in Another World and Failure Frame: I Became the Strongest and Annihilated Everything With Low-Level Spells.
 
Kaomin is a Japanese artist best known for the illustrations in the light novel version of I Don't Really Get It, but It Looks Like I Was Reincarnated in Another World.