The show's actual magic isn't the bacteria, it's watching a kid treat invisible microorganisms like roommates and accidentally become the most useful person in every crisis. You're laughing at fermentation jokes and bacterial puns one moment, then watching him solve real problems by talking to things nobody else can see. The comedy lands because it never winks at how absurd the premise is. It commits completely to the bit and builds genuine warmth between Tadayasu and his tiny, animated companions. This is what happens when a show trusts its weirdness enough to let it be genuinely funny without apologizing for existing.
Tadayasu arrives at agricultural college with an unusual burden: he can see and communicate with bacteria, viruses, and fungi as tiny, animated creatures. What should be a quirky party trick quickly becomes complicated when his ability attracts unwanted attention from fellow students, faculty, and worse, when his microscopic companions drag him into situations he never asked for. His first year becomes a series of increasingly absurd disasters. A simple dormitory stay turns into microbial chaos. A class field trip spirals into something far stranger. The bacteria aren't always helpful, and they certainly aren't always friendly. Tadayasu finds himself caught between the normal human world and one invisible to everyone else, forced to navigate college life while managing a secret that could unravel if the wrong person finds out. The comedy comes from the constant collision between everyday college problems and the bizarre supernatural element lurking underneath. Alongside his roommates and new friends, Tadayasu muddles through, trying to find his footing while the microorganisms around him pursue their own agendas. It's a fresh take on the college comedy wrapped in something genuinely strange.