For Frenni's solo animation, you will have to lose at least once while cleaning the tables on the first night. When she chases you, go to the security room. Frenni's solo animation will appear on the second night.
The new animation of Mc x Chiku is a game over, when you are chased by Frenni go to the kitchen and lose in the attempt to resist Chiku.You will get the animation Mc x Chiku.