Kayo Fujikawa has been acting strange recently, leading her clubmates Ayame Seki and Shiina Murakami to worry about her. Moreover, her birthday is just around the corner. To lighten the mood of their precious companion, Ayame and Shiina take it upon themselves to make sure that Kayo enjoys her special day. Set before the time Tamaki Honda joins the SNS club, this extra chapter of Stella no Mahou follows the club seniors as they develop their friendship.

This is about Hiro Aida and his friends. Their daily life at school and first romantic encounters with all the fun and confusion. All these people are connected to each other through cell phone messages. The anime has 5 regular episodes and 1 Epilogue episode.

On days when Sunao is sick, or not feeling like going to school, she is called to take her place. She was born to this world when Sunao wished to have a substitute. No one knows that she exists, but she tries to do her best for Sunao whenever she is called. One day she talks with Sanada, one of her classmates. They become friends, but soon he notices that she is different from the original Sunao...he was the first one who did. She tells him to talk with her only when she has her hair half-up. Sanada does like she told him, and they enjoy their time together. As they become closer, she realizes that she has special feelings toward Sanada. But she doesn't know what will happen to her...if she, a replica, falls in love. (Source: Kadokawa)

Unaired episode included with the special edition BD release. The girls hear from school principal Ryuko that the school is considering Taiwan as the destination for the school trip. Since Taiwan is one of only a few advance cycling nations, she instructs the cycling club to go to Taiwan as part of a preliminary inspection for the school trip. But as soon as they arrive in Taiwan, Hiromi and Sandy become separated... (Source: Crunchyroll)