Was it time travel triggered by a thought? Even in this era of traveling through bad streets, this setting is too...
After traveling through time, you met a bad old man who was at least three thousand years old? And he has a bad temper and doesn't care about other people's feelings even though he is handsome (ellipsis)
You can freely choose the time and space nodes to travel through, but the world you have chosen is tampered with by the old man without permission?
Give you what your heart desires most as compensation.
What you desire most is...