Hiroaki Otsuji Filmography
| 2025 | Takopi's Original Sin (TV Series) · as Key Animation |
| 2025 | Once Upon a Witch's Death (TV Series) · as Key Animation |
| 2024 | Alya Sometimes Hides Her Feelings in Russian (TV Series) · as Key Animation |
| 2023 | Frieren: Beyond Journey's End (TV Series) · as Key Animation |
| 2023 | Oshi no Ko (TV Series) · as Key Animation |
| 2022 | Miss Shikimori Is Not Just Cute (TV Series) · as Lead Animator |
| 2021 | My Senpai Is Annoying (TV Series) · as Opening/ending Animation |
| 2020 | SING "YESTERDAY" FOR ME (TV Series) · as Key Animation |
| 2019 | Fate/stay night [Heaven's Feel] II. lost butterfly · as Key Animation |
| 2018 | Tada Never Falls in Love (TV Series) · as Opening/ending Animation |
| 2017 | Fate/stay night [Heaven's Feel] I. presage flower · as Key Animation |
| 2017 | The Night Is Short, Walk on Girl · as Key Animation |
| 2017 | Little Witch Academia (TV Series) · as Key Animation |
| 2016 | Orange (TV Series) · as Key Animation |
| 2007 | Naruto Shippuden (TV Series) · as Key Animation |