Ep. 17: Asuna and Konoka discover Nekane in the bath, revealing her identity as the Black Rose Baron.
Aired on January 24, 2007

17
Asuna and Konoka encounter Nekane, Negi's sister, while she is bathing on the Mahora campus. Following a period of intense suspicion involving Konoka and Setsuna, it is confirmed that Nekane is actually the Black Rose Baron. In response to this revelation, Kū initiates a Pactio form, leading to unexpected results during the interaction. The discovery shifts the dynamics among the characters present, highlighting the hidden identity of Nekane within the school environment.
Episodes
- Ep. 13 · Class trapped in Welsh castle learns Negi's secret while fairy attacks and splits them up.
- Ep. 14 · Negi Regains Human Form Through Pactios, Group Escapes to Ruined Mahora Academy
- Ep. 15 · Students Split Into Three Teams Amidst Growing Disquiet Over Unexpected Events
- Ep. 16 · Asuna and Ayaka compete after an argument, but Ayaka rescues Asuna from Dark Seed magic.
- Ep. 17 · Asuna and Konoka discover Nekane in the bath, revealing her identity as the Black Rose Baron.
- Ep. 18 · Chiu-Chiu Gets Furious as Nekane Lives Among Class 3-A After Her Black Rose Baron Identity Is Revealed
- Ep. 19 · Kazumi reflects on the joy of childhood while Negi manages a chaotic class.
- Ep. 20 · Eva's Unfortunate Transformation Leads to a Confrontation with the 50-Foot Doll Master
- Ep. 21 · Takamichi eats ramen silently while Yue worries about her feelings for Negi