Kanda Kyoichi transmigrated to Konoha and became a temporary instructor at the Ninja Academy. Fortunately, he awakened the Mentor System. By teaching others, he could earn rewards. Thus began Kyoichi's career as a "teacher" in the ninja world. Shisui: "Sensei's unique interpretation of the Will of Fire has given the Uchiha Clan a true sense of direction!" Asuma: "The essence of the jade lies in protecting the people, with the advanced leading the way for the less experienced. Only then can Konoha become stronger!" Kakashi: "He's my life mentor. He transformed Konoha!" ... Years later, in the memoirs of Kyoichi, now the Hokage, he wrote: "I honestly just wanted to be a life mentor!"

Y/N starts their vanguard journey again returning to Japan and with nothing more then cards and dreams as he and team Q5 taken on the world of Vanguard (Disclaimer all cards characters etc are copyright of the company bushiroad only mc is my own, I won't be doing art for this as Y/N is a no faced character since it's meant to be the reader not an oc or already exiting character so all images and scenes are also owned by bushiroad and lastly don't steal my stories I also apologise if I accidentally make it seem like Y/N is a guy I just write

After being reborn in a world dominated by colossal walls and dark secrets, Kiyotaka Ackerman, now Mikasa's younger brother, faces his new life with the same cold and calculating demeanor that defined him in the past. While concealing his intellect and superhuman strength, Kiyotaka quietly observes the fragile balance of humanity within the walls, preparing himself to face the destiny that threatens to destroy everything.

This takes place after the battle with riser as issei started to be avoided by the girls except for koneko who treated him the same but not as rude as before after seeing what he did for rias and how he reacted to her being eliminated(koneko not rias) she started to think he isn't has bad has people think but as she and kiba start to view him differently they find out he was kicked out of the peerage and clube and even his own family for his brother but they will soon learn actions have consciences and issei isn't as weak as they think as he has the will.. A god