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| Hiiragi Iwashi | 2011-12-31 | - (4) |
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| Hikage Sabaiban | 2019-01-18 | - (2) |
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| Hikari ni Tsuite no Kage no Uta: Chapter A | TBA | - |
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| Hikari no Kuni no Fellmere | 2016-12-29 | - (1) |
| Hikari no Lumea | 2021-08-01 | - |
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| Hikari o... | 2000-03-10 | - (3) |
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| Hikari to Kage no Michishirube II | 2009-06-26 | 6.70 (7) |
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| Hikentai Sis -Kankin Shisetsu de Kizu Darake no Kanojo o Sukuu Jun'ai Kiroku- | 2026-02-28 | - |
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| Hikikomori Sekai no Tantei Jikenbo #01 Maria-sama ga Miteta Satsujin Jiken | 2005-08-14 | - |
| Hikikomori Sekai no Tantei Jikenbo #02 D.C. Shoushitsu Jiken | 2007-08-17 | - |
| Hikikomori Sekai no Tantei Jikenbo Zero -Fight for the Past- | 2006-04-07 | - |
| Hikikomori no Ane kara no Okurimono | 2020-02-18 | - |
| Hiking Kemonomimi | - | - |
| Hikisakareta Kono Sekai de | 2008-04-06 | - |