1. The opening theme song for the anime series "My Deer Friend Nokotan" has reached over one million views on YouTube. The song, titled "Nokotan no Uta," was composed by Yuki Hayashi and performed by Rie Takahashi. This milestone achievement highlights the growing popularity and recognition of the anime series among fans.

2. "My Deer Friend Nokotan" is a slice-of-life anime that follows the story of a young girl named Riri and her unexpected friendship with a deer named Nokotan. The anime is known for its charming characters, heartwarming moments, and the unique relationship between Riri and Nokotan, which has resonated with viewers.

3. The article mentions that the opening theme song's success is a testament to the dedication and hard work of the anime's production team. It also suggests that the impressive view count reflects the strong fanbase the series has built, as viewers continue to engage with and enjoy the opening theme song.