TV The Summer Hikaru Died - Season 1 Episode 11 : Indo's Sin The Summer Hikaru Died - Season 1 Episode 11 : Indo's Sin 8.5/10 by 68 users Though hesitant, Yoshiki asks his father about the Indo family's murky past and secret ritual. Later, Hikaru loses control at school and feels deeply shaken. Details Casts Posters Images Title The Summer Hikaru Died - Season 1 Episode 11 : Indo's Sin Alternative Titles 光逝去的夏天, Hikaru ga shinda natsu First Air Date 2025-07-06 Last Air Date 2025-09-28 Number of Episodes 12 Number of Seasons 2 Genres Animation, Mystery, Drama, Sci-Fi & Fantasy, Networks Nippon TV, Casts Chiaki Kobayashi, Shuichiro Umeda, Chikahiro Kobayashi, Wakana Kowaka, Yumiri Hanamori, Yoshiki Nakajima, Shion Wakayama Plot Keywords , Yoshiki Tsujinaka (voice) Chiaki Kobayashi Hikaru Indo (voice) Shuichiro Umeda Tanaka (voice) Chikahiro Kobayashi Rie Kurebayashi (voice) Wakana Kowaka Asako Yamagishi (voice) Yumiri Hanamori Yuta Maki (voice) Yoshiki Nakajima Yuki Tadokoro (voice) Shion Wakayama Episodes List The Summer Hikaru Died Season 1 :Episode 1 Replacement Replacement 2025-07-06 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 2 Suspicion Suspicion 2025-07-13 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 3 Denial Denial 2025-07-20 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 4 Summer Festival Summer Festival 2025-07-27 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 5 Wig Ghost Wig Ghost 2025-08-03 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 6 Asako Asako 2025-08-10 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 7 Determination Determination 2025-08-17 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 8 Contact Contact 2025-08-24 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 9 Old Man Takeda Old Man Takeda 2025-09-07 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 10 Truth Truth 2025-09-14 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 11 Indo's Sin Indo's Sin 2025-09-21 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. The Summer Hikaru Died Season 1 :Episode 12 Its Place Its Place 2025-09-28 Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.