SNAFU

2013 – April – 2 — Season 1 began airing
2013 – May – 3 — Season 1 airing
2013 – June – 4 — Season 1 finale month
2013 – July – 2 — post-season afterglow
2013 – August – 1
2013 – September – 1 — Season 1 OVA release period
2013 – October – 1
2013 – November – 1
2013 – December – 1

2014 – January – 1
2014 – February – 1
2014 – March – 1
2014 – April – 1
2014 – May – 1
2014 – June – 1
2014 – July – 1
2014 – August – 1
2014 – September – 1
2014 – October – 1
2014 – November – 1
2014 – December – 1

2015 – January – 1
2015 – February – 1
2015 – March – 1
2015 – April – 5 — Season 2 began airing
2015 – May – 4 — Season 2 airing
2015 – June – 5 — Season 2 finale month
2015 – July – 2 — post-Season 2 afterglow
2015 – August – 2
2015 – September – 1
2015 – October – 1
2015 – November – 1
2015 – December – 1

2016 – January – 1
2016 – February – 1
2016 – March – 1
2016 – April – 1
2016 – May – 1
2016 – June – 1
2016 – July – 1
2016 – August – 1
2016 – September – 1
2016 – October – 1
2016 – November – 2 — light novel late-series / fandom activity bump
2016 – December – 2

2017 – January – 3 — late light-novel / character-fandom bump
2017 – February – 1
2017 – March – 1
2017 – April – 1
2017 – May – 1
2017 – June – 1
2017 – July – 1
2017 – August – 1
2017 – September – 1
2017 – October – 1
2017 – November – 1
2017 – December – 1

2018 – January – 1
2018 – February – 1
2018 – March – 2 — legacy / LN-fandom bump
2018 – April – 2
2018 – May – 2
2018 – June – 2
2018 – July – 2
2018 – August – 1
2018 – September – 1
2018 – October – 1
2018 – November – 1
2018 – December – 1

2019 – January – 1
2019 – February – 1
2019 – March – 1
2019 – April – 1
2019 – May – 1
2019 – June – 1
2019 – July – 1
2019 – August – 1
2019 – September – 1
2019 – October – 1
2019 – November – 1
2019 – December – 1

2020 – January – 1
2020 – February – 1
2020 – March – 1
2020 – April – 2 — Season 3 was originally expected around spring, then delayed
2020 – May – 2 — delay-period / anticipation
2020 – June – 2 — pre-Season 3 buildup
2020 – July – 4 — Season 3 began airing
2020 – August – 3 — Season 3 airing
2020 – September – 3 — Season 3 finale month
2020 – October – 2 — post-finale afterglow
2020 – November – 1
2020 – December – 1

2021 – January – 2 — post-finale / completed-series discovery
2021 – February – 1
2021 – March – 1
2021 – April – 1
2021 – May – 2 — legacy bump
2021 – June – 2 — legacy bump
2021 – July – 1
2021 – August – 1
2021 – September – 1
2021 – October – 1
2021 – November – 1
2021 – December – 1

2022 – January – 1
2022 – February – 1
2022 – March – 1
2022 – April – 1
2022 – May – 1
2022 – June – 1
2022 – July – 1
2022 – August – 1
2022 – September – 1
2022 – October – 1
2022 – November – 1
2022 – December – 1

2023 – January – 1 — Climax OVA release date/news period
2023 – February – 1
2023 – March – 1
2023 – April – 1 — Climax OVA bundled with game release, but no visible spike
2023 – May – 1
2023 – June – 1
2023 – July – 1
2023 – August – 1
2023 – September – 1
2023 – October – 1
2023 – November – 1
2023 – December – 1

2024 – January – 1
2024 – February – 1
2024 – March – 1
2024 – April – 1
2024 – May – 1
2024 – June – 1
2024 – July – 1
2024 – August – 1
2024 – September – 1
2024 – October – 1
2024 – November – 1
2024 – December – 1

2025 – January – 1
2025 – February – 1
2025 – March – 1
2025 – April – 1
2025 – May – 1
2025 – June – 1
2025 – July – 1
2025 – August – 1
2025 – September – 1
2025 – October – 1
2025 – November – 1
2025 – December – 1

2026 – January – 1
2026 – February – 1
2026 – March – 1
2026 – April – 1
2026 – May – 1
2026 – June – 1