"Tottemo! Luckyman" is a comedic superhero anime series centered around the titular character, Luckyman, a bumbling yet extraordinarily lucky superhero. Luckyman is an ordinary salaryman named Haruhiko Uematsu who transforms into the superhero whenever he sneezes. Despite his lack of traditional heroic qualities, such as strength or intelligence, Luckyman's unparalleled luck allows him to triumph over adversaries in the most absurd and unpredictable ways. His powers often manifest through random, coincidental events that work in his favor, creating a series of humorous and chaotic situations.

The series is episodic, with each episode featuring Luckyman facing off against various villains, many of whom are members of the Evil Luck Association, an organization dedicated to spreading misfortune. These villains, despite their elaborate plans and schemes, are consistently thwarted by Luckyman's sheer luck, which often turns their own efforts against them. The antagonists range from comically inept criminals to more bizarre and outlandish characters, all of whom are ultimately defeated in ways that highlight the series' slapstick humor and satirical take on superhero tropes.

Luckyman's alter ego, Haruhiko Uematsu, is a mild-mannered and unremarkable office worker, contrasting sharply with his superhero persona. His transformation into Luckyman is involuntary and often inconvenient, adding to the comedic tension. Despite his lack of conventional heroism, Luckyman is portrayed as a well-meaning figure who inadvertently saves the day, even if his methods are far from traditional. The series also features recurring characters, such as Luckyman's love interest, Yuri, who remains unaware of his dual identity, and his boss, who often finds himself caught up in the chaos caused by Luckyman's antics.

The narrative thrives on its absurdity and over-the-top humor, with each episode delivering a self-contained story that parodies the superhero genre. The series does not take itself seriously, embracing its ridiculous premise and using it to create a unique blend of comedy and action. The humor often stems from the stark contrast between Luckyman's incompetence and his inexplicable success, as well as the exaggerated reactions of those around him. The episodic structure ensures that each installment is accessible, with no overarching plot beyond the recurring theme of Luckyman's luck overcoming all odds.

Overall, "Tottemo! Luckyman" is a lighthearted and eccentric series that uses its unconventional protagonist and absurd scenarios to deliver consistent comedic entertainment. Its focus on parody and slapstick humor makes it a distinctive entry in the superhero genre, appealing to viewers who enjoy unconventional and humorous takes on familiar tropes.