Bicycle got stolen

I had my bike stolen today😭
I parked it infront of my tuition yesterday and over which I DIDNT EVEN LOCK IT.
I thought since it was raining i will go home and come later but apparently guests had arrived so i didn't have any excuses to go back and my parents would've killed me if they would knew i didn't bring my cycle back.

I parked it at 6:30 and my tuition ended around 8:40pm
I went today at 2:00ish pm and there was no cycle.
There is a school nearby and i asked the guards but they said theres no cctv around here.
I would need to confess to my parents but I will be screamed and shouted in the process so much.
I checked the surroundings areas but no clue.
Usually when someone displaces my cycle they put it near the sidewalk because they want to park their vehicle there but now they wouldnt gain any space because i had parked in in between scooters so if someone touched my bike it was probably to steal it
WHAT SHOULD I DO.