He, codenamed "Maotai", is a Chinese gangster agent lurking in the dark organization. He spends his days fishing for fish, poking around and sabotaging enemies. With his excellent blame-shifting and "accidental" creation skills, he has become a mysterious legend in the organization.
However, a perfect "accident" targeting extremists led to a fatal disaster. Gin's bullets and the new poison APTX-4869 brought his twenty-five-year-old career as a ruthless agent to an abrupt end - but not completely.
When he woke up again, he found himself lying beside a stinking ditch in Japan, transformed into a baby boy who was at most five years old with conspicuous silver hair! His strength, identity, and equipment were all reduced to zero, leaving only his secret agent skills and a hungry stomach.
First, he was picked up and brought home by the gentle and kind college student Nanako, who enjoyed the most thorough "infant" care in his life; then he met the jealous Nohara Shinnosuke and was regarded as his number one "love rival"; what's even more outrageous is that the elite Kazama Toru actually mistook him for a girl, and blushed and vowed to protect "her"!
Faced with the organization's potential pursuit, the former ace agent Moutai had to start the most destructive lurking routine in the history of Kasukabe under the shell of a harmless cute baby: eating, drinking, and taking care of him, while using a toy gun to practice muscle memory, and using a children's watch to think of an escape plan.
It's just that... Sister Nana's gentleness, Kazama's "brother"'s protection, and even Xiaoxin's noisy "hostility" all make the scenery on this lonely agent road a little different~~
