| Artist | : | ［#4］Katana Master with HALBERD |
| Title | : | Let's ask Seki Sensei | Online Katana Lessons |
| Duration | : | 58 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | ［#4］Katana Master with HALBERD |
| Title | : | Let's ask Seki Sensei | Online Katana Lessons |
| Duration | : | 58 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |