Yamada Takeshi was a software engineer and an ethical hacker. That is, until one day, he worked himself to death.

After meeting a Random Omniscient Being (ROB), he was given a choice to either reincarnate in the same world or transmigrate to a new one - with a perk.

The choice was obvious.

And so begins the story of Yamada Takeshi, now transmigrated as Mori Kaito, in the world of My Hero Academia, wielding the Error Pathway from Lord of the Mysteries.

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A/N: The main character is meant to be sarcastic and outspoken, though this doesn’t fully show in the early chapters due to his circumstances.

Because the early sequences of the Error Pathway don’t display obvious abilities to outsiders, progression from Sequence 9 to Sequence 7 will be compressed during the quirk awakening. After that, advancement into higher sequences will follow.

The MC transmigrates as a child, which is why he can’t openly express his true personality at first. I won’t drag out the child arc, but reaching U.A. will still take some time. Throughout this period, interactions with canon characters and events will remain frequent, with entertaining actions and steady character development along the way.

Romance is not a major focus for me, so I haven’t decided on a specific route. I won’t force multiple heroines to fall for the MC just to test reader preferences. Instead, I’ll build meaningful (non-romantic) dynamics with various characters and see which connections readers enjoy the most.

This novel is primarily character-driven and may include a significant amount of slice-of-life content. That said, I’ll make sure it stays engaging rather than dull. If it ever does feel boring, feel free to point it out—I’m always open to constructive criticism.

Character Sheets