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ฤดูใบไม้ผลิ 1986 | 1 ตอน
A music-video style recap OVA. This release covers episode 12-20 and is with classical music entirely except for one song right before the credits. The beginning also has a unique frosted boarder frame around the video that changes designs which was not present in the the first music recap nor in the original anime.
ฤดูหนาว 2020 | 2 ตอน
The two-episode anime, adapting chapters from volumes 22 and 23, will first debut at the Jump Festa 2020 event, which runs on December 21 and 22. TOHO animation will ship the original video anime on Blu-ray and DVD on January 22, 2020. (Source: MAL News)
ฤดูร้อน 2008 | 1 ตอน
In an alternate universe to the original Clannad anime, Okazaki Tomoya is dating Sakagami Tomoyo in the 24th and final episode of Clannad. When Tomoyo is elected Student Council President, her dream to save the school's cherry blossom trees from being cut down begins to come to fruition. However, her never-ending duties and bad rumors about their relationship spread by fellow students due to Tomoya's reputation as a delinquent create a rift between the two. As Tomoya watches Tomoyo rise higher and higher into the distance, their relationship is stretched to the limit by a society that threatens to break them apart.
ฤดูหนาว 2015 | 1 ตอน
Unaired anime episode bundled with the limited edition of High School DxD DX.1.
ฤดูใบไม้ร่วง 2015 | 1 ตอน
Unaired anime episode bundled with the limited edition of High School DxD DX.2.
ฤดูใบไม้ร่วง 2014 | 1 ตอน
The 13th episode of the TV anime bundled with the special limited first edition of the 7th manga volume.
