One is the unfulfilled first love at the beginning of love;
One is a lover who fell in love with each other due to misunderstanding on the university campus;
I don't know since when, the fate of the three people has been firmly tied together.
A mathematical modeling competition, three people spend a year together, where will their fate go?
In the double version ending, please help the protagonist Natsuki confirm his sincerity.
Concept: A heart-wrenching love triangle with double endings. Please help the protagonist Natsuki confirm his sincerity.