20화: Rinascimento of the Unwavering Promise -Promised Rinascimento-
에피소드 수
- 16화 · Altair of the Point at Infinity -Vega and Altair-
- 17화 · Altair of the Hyperbolic Plane -Beltrami Pseudosphere-
- 18화 · Altair of Translational Symmetry -Translational Symmetry-
- 19화 · Altair of the Cyclic Coordinate -Time-leap Machine-
- 20화 · Rinascimento of the Unwavering Promise -Promised Rinascimento-
- 21화 · Rinascimento of Image Formation -Return of Phoenix-
- 22화 · Rinascimento of Projection -Project Amadeus-
- 23화 · Arclight of the Point at Infinity -Arc-light of the Sky-
- 24화 · Valentine's of Crystal Polymorphism -Bittersweet Intermedio-