[Past and present life × time travel × long-term love]
He was originally a high-spirited young general who made great achievements on the battlefield, but his temperament suddenly changed due to the loss of his beloved. From then on, he became cold and lonely, killing without restraint, and the long sword in his hand was imbued with countless dead souls. After dying in the war, he was given a mission and needed to train in the "Space-Time Guard" for three years. Only by finding his true heart of kindness can he be reincarnated.
She is an ultra-modern girl with a straightforward personality and full of energy. Because of his special abilities, he officially joined the "Time and Space Guard" after undergoing rigorous special training, traveling through time and space to maintain order.
One carries the shackles of the past, the other carries the enthusiasm for the future...
No matter you go to the past or the future, at this moment, I want to tell you - I like you.
All encounters and confessions are timely.