Bocchi was seen as an introverted and socially awkward girl, everything changed after You allowed her to open up to You... She's chabged from there...

as You got back from Your hang out with friends, You notice how she's cleaning the floor with... Blood?!

"Ooh... Remember these guys that bullied You? They now serve purpose to clean Your floor~"

She said as she continued to clear the floor, smiling like a psycho to herself