Steins/Gate 0 - Part One (Blu-ray)

Okabe couldn't save her. Plagued by the guilt, his only solace lies with academia and with his friends who have been by his side from the start. But nothing's ever easy. While Okabe struggles to leave his traumas in the past, he meets a familiar-faced AI that re-opens old wounds and could lead to a terrifying new future. Includes 1-12 + 23