Fureru.

Aki, Ryo, and Yuta grow up on the same island and share a secret tied to a strange creature called Fureru. As children, they discover that contact with Fureru lets them hear each other’s inner voices when they touch. The power makes them feel closer than ordinary friends, but it also teaches them to rely on something that bypasses real conversation. Years later, the three move to Tokyo and live together while trying to begin adult lives. Aki works at a bar, Ryo works in real estate, and Yuta studies fashion. Fureru stays hidden with them, still linking their past to the present. Their quiet arrangement changes after Aki helps Nana, a young woman targeted by a stalker, and she enters their circle with Juri, the person protecting her.

The new connections expose the weakness in the bond the three friends thought was unbreakable. Misread feelings, jealousy, fear, and old dependence start to pull them apart because the power that once joined them cannot replace honest words. A teacher who understands the folklore around Fureru explains that the creature was once tied to a village that used shared minds to survive conflict, but that same power can also twist people when thoughts and hearts stop matching. As the friends argue and prepare to separate, Fureru panics and traps them in another space shaped by their negative emotions. They escape only after facing what they refused to say. Back in Tokyo, magical threads spread through the city and disturb people’s minds. Aki follows the threads to their source and reaches Fureru before the damage grows. The creature changes form, the threads vanish, and the city returns to itself. The three friends reconcile, but their shared life ends with the lease, leaving them to carry the bond forward without depending on the power that first connected them.