3 Seconds Later, He Turned Into a Beast

After a rough history around aggressive men, college student Tsumugi does something smart: she arranges a mixer specifically for 'herbivore' guys — the gentle, passive, non-threatening type. That's where she meets Kaname, who fits the bill perfectly and even reminds her a little of her older brother. She relaxes. She feels safe. And then, almost instantly, he flips a switch. Turns out Kaname is very much a 'carnivore' underneath that calm exterior, and the gap between who he appears to be and who he actually is forms the core tension of the whole series. The show leans into that contrast hard — the push and pull between Tsumugi's wariness and Kaname's persistence is what keeps things moving across its eight short episodes. Being a josei-rooted story adapted from a web manga, it puts more weight on Tsumugi's interiority than you might expect from the premise. If you've watched things like Souryo to Majiwaru Shikiyoku no Yoru ni or Amai Choubatsu and appreciated how that format handles slow-burn tension in short bursts, this covers similar ground. It's also comparable to 25-sai no Joshikousei in how it frames a woman navigating a relationship dynamic she didn't fully anticipate. The episodes are brief, so it moves quickly without a lot of buildup padding things out. Worth a look if the premise hooks you.