Two-way secret love, early stage cookies. Both sides tease each other.
"Professor, my fragile heart has been severely hit. Please give me a hug to comfort you."
"I really like you, no one else but you."
"I remember there is an old saying in the East: A head full of frost and snow can be counted as a total loss of life. Professor, let's just forget it now, right?"
"When I graduate, I must go and see the Rusty Sea. I heard that if you make a wish there, you can get blessings from the sea and whales. Do you want to go and see it with me?"
They had truly appeared in each other's time, but in the end they were just intersecting straight lines, drifting apart after an intersection.
And how long will it take to see each other again?
Maybe he spent his whole life.
Trigger ending: Tomb of One Man
Intention: You are in hell, and so am I.