Mystery Toilet Graffiti

The graffiti on the toilet here is amazing!
When you enter this toilet, you can't get out until the mystery is solved!
Can you decipher all the mysteries !?

▼ How to play
1: See graffiti (problem)
2: Think about the answer
3: Tap the character panel at the bottom of the screen to answer
4: If you answer correctly, you will proceed to the next question

▼ Recommended usage scene
・ When you can't help it in your free time !!
・ For a break from studying !!
・ At the time of commuting to school !!
・ For Twitter tweets !!
・ For live video !!