Knot In Time

S1, E2: Having lost both his father and his brother, Mamoru, in the line of duty, a brave Manabu still chooses to join the Space Defense Force despite his mother's protests. But while heading to SDF headquarters Manabu's space-train falls into a Time-Knot. Suddenly, Manabu finds himself standing face to face with Mamoru who has been dead for five years. Can Manabu change his brother's fate?