Released on Sunday, August 10, 2025, The Summer Hikaru Died episode 6 sees Yoshiki discuss a story that reflects Hikaru’s situation with his friends to get their opinion. The group gathers for a weekend sleepover at Hikaru’s house. Yoshiki finds an old, suspicious note in the real Hikaru’s handwriting. That night, Asako confronts Hikaru about who he truly is.The narrative gives insight into her ability to sense the supernatural. However, Hikaru feels threatened by this question and nearly kills her before Yoshiki intervenes and stops him. Asako suspects Hikaru is possessed by a ghost. Yoshiki struggles to accept the impostor’s true nature, which doesn’t hesitate to take a life. Meanwhile, Hikaru grapples with unfamiliar feelings toward Yoshiki, life, and death.The Summer Hikaru Died episode 6: Yoshiki, Hikaru, and their friends have a sleepover at Hikaru’s houseYoshiki, Hikaru, and Maki during the sleepover (Image via CygamesPictures)The Summer Hikaru Died episode 6, titled Asako, opens with Yoshiki talking to his friends at school about the story of a "swampman." The tale closely mirrors the story of the real Hikaru and how an impostor took over his life. Yoshiki uses the conversation to gauge Maki and Asako’s thoughts on the story’s "real" and "fake," trying to see how they might perceive Hikaru’s situation.The focus shifts to their choir practice, with their upcoming recital on Monday. Even while singing, Yoshiki’s mind is tangled with questions about the situation. Later, Asako suggests the group hang out over the weekend to relax. Hikaru offers to host a sleepover at his place. Yoshiki is somehow relieved to see him interact with people other than himself.On the way home from school, Hikaru’s bike gets a flat tire. Mr. Mikasa, one of the villagers who’s often seen with Tanaka’s group, happens to pass by and gives them a ride back. The Summer Hikaru Died episode 6 briefly cuts to their school at night, where a supernatural presence is shown to be lurking.Hikaru in The Summer Hikaru Died episode 6 (Image via CygamesPictures)When the weekend arrives, the group gathers at Hikaru’s house. While fetching a game from Hikaru’s room, Yoshiki sees a worn-out cap. This leads to a flashback during the village festival from his childhood. His father tells him how the festival is dedicated to the god who lives on the mountain. He also warns Yoshiki to never climb it. Hikaru and his father soon join them. It’s revealed that the cap belonged to Hikaru’s father.Back in the present, Yoshiki finds an old note in Hikaru’s handwriting while searching for the game. Parts are smudged, but he can make out fragments like "Hichi" and "the Indo’s role." Though their meaning is unclear, he finds the note intriguing and takes it.That night, the group enjoys setting off fireworks. Suddenly, the lighter stops working, so Hikaru decides to head to the nearby store to get a new one. Asako volunteers to go with him.The Summer Hikaru Died episode 6: Asako probes about Hikaru’s truth as Yoshiki stops him from killing herThe Summer Hikaru Died episode 6 sees Yoshiki following after Hikaru and Asako to tell them to also buy ice cream. Coincidentally, Hikaru had already thought of it. Meanwhile, Asako unexpectedly brings up the time Hikaru disappeared. She admits she’s not entirely sure, but then comes right out with what’s been on her mind, about who Hikaru really is.The Summer Hikaru Died episode 6 shifts to Asako’s past. A young Asako tells her grandmother about strange sounds she can hear that others can’t. Her grandmother reveals that their family members can sense things that exist beyond normal perception. She herself can’t hear these sounds, but she can see certain things others can’t.Asako questions Hikaru about the truth (Image via CygamesPictures)She says that the world of the living often overlaps with the world of the dead. When people die, they cross into that other side, but eventually return as part of the cycle of life, death, and rebirth. Though not all of these beings mean harm, they are fearsome nonetheless. So she warns Asako to keep her distance from them as much as possible.Soon, a young Yuki appears. As Asako happily runs toward her, she hears an unseen presence also rushing toward Yuki. Oblivious, Yuki starts running toward Asako, but at the same moment, a speeding car approaches. Acting on instinct, Asako tells Yuki to stop.Yuki freezes just in time as the car speeds past where she would have been. Asako realizes that the invisible being was also trying to protect her. The Summer Hikaru Died episode 6 returns to the present. Hikaru begins to panic at the thought of Asako knowing the truth. The impostor’s real form starts to seep out from his eye as he steps closer to her.Hikaru, as he tries to kill Asako (Image via CygamesPictures)Thankfully, Yoshiki arrives just in time and calls his name, snapping him out. As Asako faints, Hikaru admits she probably knows the truth. He says he didn’t mean to, but cuts himself off.Yoshiki presses him to finish, and he suggests he "shouldn’t do that" to Asako (likely implying he had considered killing her). Yoshiki is disturbed and questions how he can so casually think about ending a life. The fake explains that to him, life and death aren’t so different, as he doesn’t truly have a life.To him, death just means a slight change in form, but he considers Yoshiki "special" and doesn’t want him to die. Yoshiki bluntly asks if he killed the Matsuura woman, and Hikaru’s silence makes Yoshiki suddenly overcome with nausea. Just then, Asako regains consciousness.Asako thinks that Hikaru is possessed by a ghost (Image via CygamesPictures)She actually thinks that a ghost has possessed Hikaru. She had noticed changes in him ever since he returned after disappearing. She thought something bad had entered his body, but she slowly realized that this being was also protecting Yoshiki. She thinks she may sound crazy, but Yoshiki believes her.He asks her to head back first. After she leaves, he heads back home without even speaking to the impostor. The Summer Hikaru Died episode 6 ends as this event leaves the Hikaru impostor pondering what truly is life and death, and why he doesn’t want Yoshiki to die.He’s unsure whether it’s his own feeling or Hikaru’s memory that is making him feel this way, confusing him further. In the post-credit scene, Yoshiki greets Hikaru as usual the next morning, acting as though nothing happened, which leaves the impostor surprised.Final thoughtsYoshiki in The Summer Hikaru Died episode 6 (Image via CygamesPictures)The Summer Hikaru Died episode 6 weaves together paranormal elements, emotional tension, confusion, and much more, all while deepening character arcs. Side characters, particularly Asako, also get notable attention. Her interaction with Hikaru stands out.Meanwhile, Yoshiki also begins to glimpse another side of the impostor. At the same time, the presence lurking around the school adds more unease and hints at rising tension.Also read:Dandadan season 2 episode 7 release date and time, where to watch, and moreSolo Leveling Ragnarok chapters 48 and 49: Season 2 returns with Sung Suho meeting Tielle as more familiar characters reappearSolo Leveling Ragnarok chapter 50: Release date and time, where to read, and more