Episodes 13-24 of the Japanese anime and sequel to 'Steins;Gate'. Rintaro Okabe (voice of Mamoru Miyano) attempts to discard his mad scientist tag by no longer engaging in time travel. When he comes across an artificial intelligence program designed by Makise Kurisu (Asami Imai) before her death, Rintaro joins the team of scientists and helps with their research by conversing with the program. However, due to its lifelike quality Rintaro finds himself struggling to come to terms with the loss of his friend and is tempted to once again interfere with the past and the future. The episodes are: 'Mother Goose of Diffractive Recitativo: Diffraction Mother Goose', 'Recognition of the Elastic Limit: Presage Or Recognize', 'Recognition of the Asymptotic Line: Recognize Asympote', 'Altair of the Point at Infinity: Vega and Altair', 'Altair of the Hyperbolic Plane: Beltrami Pseudosphere', 'Altair of Translational Symmetry: Translational Symmetry', 'Altair of the Cyclic Coordinate: Time-Leap Machine', 'Rinascimento of the Unwavering Promise: Promised Rinascimento', 'Rinascimento of Image Formation: Return of Phoenix', 'Rinascimento of Projection: Project Amadeus', 'Arclight of the Point at Infinity: Arclight of the Sky' and 'Valentine's of Crystal Polymorphism: Bittersweet Day'.