For Jung Wan, it's been a while since he visited a bookstore to study and he's burning up with a will to learn with a serious look on his face. Kwang-kyu, was invited to pitch for the Lotte Giants at Sajik Stadium. He visited his hometown Busan with a heart of joy! Kwang-gyu invited his beloved mother to the ballpark. He learned pitching skills from Lotte's Hwang Jae-kyun. Yoon Da Hoon is on Rainbow Live. Additional Cast - Kim Poong, Son Ah-seop, Hwang Jae-gyun, Lee Jae-ryong