On forums like 2chan , Reddit (r/LightNovels), or MyAnimeList , "Gaki ni modotte yarinaoshi" is used in three ways:

The phrase "Gaki ni Modotte Yarinaoshi" embodies a nostalgic yet forward-looking attitude. It encourages a return to a simpler state of being or a previous phase of life, not necessarily to stay there, but to perhaps gain a new perspective or rekindle lost passions and creativity. Whether used in personal reflection, professional settings, or casual conversation, it speaks to the universal desire to sometimes start anew, free from the complexities and cynicisms that accumulate over time.

And for the first time in either lifetime, Tanaka Kenji felt completely, unremarkably, and perfectly happy.

“Gaki ni modotte yarinaoshi%21” isn’t a command to regress into irresponsibility. It’s a manifesto: keep the feral parts of yourself in rotation. Let your past audacity inform a braver present. Try that impulsive idea. Make that ridiculous phone call. Fail gloriously, learn faster, and—when it matters—do it again smarter.