TV The Summer Hikaru Died The Summer Hikaru Died 8.9/10 by 28 users Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges. Details Casts Posters Images Title The Summer Hikaru Died Alternative Titles 光逝去的夏天, Hikaru ga shinda natsu First Air Date 2025-07-06 Last Air Date 2025-08-24 Number of Episodes 12 Number of Seasons 1 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