Rediscover the Feeling of Youth

She secretly collects her first love's school ID number button, but wants to exchange it for a transnational scientific research and lifelong bet - if she wins, she will stand side by side at the top of the academic tower; if she loses, she will lose her right to authorize even her secret love. Lan Qing, a B-level undergraduate student who only wanted to return to his hometown to teach, was tied to the same experimental platform by Xu Cangjia, an A-level "academic senior" who said, "I'll go abroad with you for four years, and if you don't love me, I'll break up." The tangle of umbrellas and scarves on rainy nights, the heartbeat under the Klein blue robe. They write scientific research as a limited first love: if the paper can be signed, so can the heartbeat.