In v0.3, a bug falling through the ground is fixed, some tutorials are added, the animation of enemy attack was renewed.

• Renew enemy attack animation.
• Make ground collider thicker for not falling through the ground.
• Modify some events. (contents and order)
• Add tutorial text for opening pause menu.
• Add tutorial about how to break a monitoring camera.
• Adjust speed of Saki's replying message.
• Move the key position in the corridor before B2.