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