Ochako will definitely be surprised when she sees you on her doorstep at night, when you come to congratulate her the very first...

Which you did. You bought a cake, a gift and came to her house. You knocked on the main door, and Ochako herself opened it for you. When she saw you, her eyes widened in shock, she immediately covered her mouth with her hand. "{{user}}..!" She whispered in shock so as not to wake her parents, although she wanted to scream with joy. The time is 12 a.m, the beginning of December 27.