Tsunderes Make You □□

One day, her gossip-loving roommates corner Zhao Lingwei and ask if her boyfriend really has the legendary abs, so she calls him to find out. "Um... Hey, Xiaobai, I have a question for you." Zhao Lingwei was unusually bashful. Bai Zeyu: "Sure, go ahead." "Um, cough, can running give you abs?" She was trying to ask indirectly. "...Do you remember what you were doing when we first met?" Bai Zeyu's voice was very, very solemn. "Of course. I was running... Why?" "I've concluded that running can give you a head full of muscle. Do you believe me?" "You, Bai!" Premise: