Let's make this birthday one to remember.

39 years old (Born on January 05, 1986)

Happy Birthday, Teppei Koike! From charming us as part of WaT alongside Eiji Wentz—where your catchy tunes and playful antics made fans swoon—to stealing hearts in the beloved drama "Amachan," you've truly mastered both stage presence and screen charisma. Your youthful charm seems timeless; seriously, are you secretly sipping from a fountain of eternal youth?

Whether you're serenading audiences or lighting up our screens with that infectious smile, one thing's certain: age is just another number for someone who effortlessly blends talent with humor. Here's to more unforgettable performances—and perhaps finally revealing where you hide your secret stash of everlasting energy!