They are childhood sweethearts, lovers, and everything to each other.
Shen Yin met Qiu Keman when he was very young, but Qiu Keman was called "Autumn Romance", which gave him an inexplicable nickname.
Shen Yin actually has a one-sided crush on Qiu Shiman, but of course she can't say it out loud.
He couldn't gamble.
Intention: I don't know beans
