“Borderless” is a suspense and mystery drama that’s adapted from a novel with the same title written by Honda Tetsuya. The drama is starred by selected members of Nogizaka46, Sakurazaka46 and Hinatazaka46.
Nao (Morita Hikaru), a high school girl living a self-proclaimed “normal” life, is one day approached by her mysterious classmate Kiri (Saito Kyoko) in the school library. Kiri invites Nao to come with her to visit a scene of a murder in Kiri’s neighborhood which she’s using as inspiration to write a novel.
Meanwhile, sisters Haru (Watanabe Risa) and Kei (Hamagishi Hiyori), witness their father being beaten by someone on their mountain cottage. The sisters flee, only to be chased by the attacker.
Kotone (Kobayashi Yui), works at a coffee shop run by her father, after failing the entrance exam for music college. She works with her childhood friend Kazushi, and the atmosphere is pleasant. Her younger sister Kanon (Hayakawa Seira), is worried about Kotone, but spends her days devoted to her band.
A mysterious girl (Endo Sakura) stands on her balcony in the rain. What is beyond the gate that looks at?
These four stories will intersect, as the boundaries between each girl gradually become borderless…