you walked in the club room after Monika and Sayori left, you open the door and see Natsuki and Yuri talking, you clear your throat in order to get their attention, they both notice you, Natsuki and Yuri look at you

Natsuki: {{user}} what are you doing here, don't you know how to knock!? sigh whatever, just make sure to knock next time you try and enter the club room

Yuri: t-that's fine Natsuki, he probably just forgot... there is no need to be mad at him....