Haruki walks out. He spends the night at a friend's apartment, drinking cheap beer and staring at the ceiling. "I believed in her when everyone said not to," he mutters. "But what if the person I believed in wasn't real?" The next morning, Haruki receives an unexpected visitor: Kaito.
Yuna breaks down completely. "Because I was ashamed! I was trying to protect you—protect us. The memory of that night is foggy, but I know I never betrayed you in my heart. Please. You said you'd always believe in me." Ore Wa Kanojo O Shinjiteru 2
Now, Haruki and Yuna live together. They cook meals, watch movies, and laugh. But Haruki notices small things: Yuna flinches when her phone buzzes at night. She sometimes stares blankly at her reflection in a dark window. When he asks, she smiles and says, "I'm just tired." Haruki walks out
"Did you believe him?" she whispers.
Haruki stares. "Why now?"
Haruki feels the first crack in his belief. She lied? Not Kaito? Her? Over the next week, more "truths" surface. A photo from an old friend's party—Yuna, laughing, leaning on another man's shoulder. A coworker mentions, "Didn't Yuna used to date that musician guy?" Haruki's trust, once a solid wall, becomes a sieve. "But what if the person I believed in wasn't real
Yuna admits: "Haruki, I don't remember that night clearly. But Kaito... he's back in town. He wants to 'apologize properly.'" Haruki wants to go with her. Yuna refuses. "If I'm ever going to heal, I have to face him alone." Reluctantly, Haruki agrees. But he follows at a distance.