: Unlike the main series, these were not officially aired on TV or streamed on platforms like Crunchyroll or Funimation. They remain exclusive to AbemaTV in Japan .
For a closer look at these character-driven snippets, you can find community-subtitled versions of several extras here: Yesterday wo Utatte - Episode 1 Extra : r/anime Reddit · MisterShaggy_ Yesterday wo Utatte - Episode 2 Extra : r/anime Reddit · MisterShaggy_ Yesterday wo Utatte ep.3 Extra Subbed : r/anime Reddit · Killua69100 Yesterday wo Utatte - Episode 4 Extra : r/anime Reddit · Killua69100 Yesterday wo Utatte - Episode 9 Extra : r/anime Reddit · Killua69100
The (also known as the Sing "Yesterday" for Me Haishinban episodes) are a series of six short, 1–2 minute specials that aired exclusively on the AbemaTV website . These "mini-episodes" are canon additions that adapt small, meaningful character interactions from the manga that didn't fit into the main 12-episode television broadcast. Quick Facts for Your Post
: There are 6 extras in total, corresponding to episodes 1, 2, 3, 4, 9, and 12.
: These shorts provide additional depth to the main cast—Rikuo, Haru, Shinako, and Rou—filling in character headspace and everyday moments that build a stronger foundation for the story.
: Fans often consider these essential watching because they help smooth out the anime's fast pacing, especially since the show adapted the final third of the manga very quickly in its last episodes.

