The protagonist is on a train and sees her partner who is about to say something but stops. She wonders if he wants to say yes or no to something. The protagonist imagines them at a baseball field, where they hit a ball and hopes it flies towards them. She realizes that nothing will start if she doesn't take the first step. She questions whether it is wrong to fall in love, but she believes that her partner's feelings can be understood and that she doesn't want to be a hindrance to him growing up. She gives him a can of coffee from a vending machine to warm his cold heart. The protagonist wonders what kind of person she is protecting and believes that she really loves her partner and asks where that intention is. She tells her partner that even though they may not be able to do it or have not done it yet, the future is waiting for them. She wants her partner to rely on her and let her be the one who is reborn. They question again if it is wrong to fall in love and believes that her partner's feelings can be understood, and she doesn't want to hide her emotions and become a mannequin. She doesn't want to be hindered by being an adult but wants to protect her partner. She believes that the protagonist is the one who is reborn and wants her partner to trust her.