Build 19155330

1. The staircase has been updated. You can go up the staircase by pressing the direction keys simultaneously. If you only press the direction keys, you won't go up the staircase.

2. Add full-screen pixel comics of important dialogues.

3. New teaching levels have been added, and a new character, "Kendo Teacher", has been introduced.

4. At the beginning of the game, Kui Wen doesn't have any weapons and needs to get them.

5. Modify the visual effect of the triple slash and increase the retraction time of the third slash.

6. Adjust the smoothness of the attack.

7. Fixed the sound issue when occasionally consuming items.

8. A new loading button has been added to the start interface, and a background volume setting has been added to the Settings.

9. Modify the level name and story content.

10. Modify the enemy's health points. In the third level, the return of the darkened sister's Yan will release bats.

11. The UI system has been modified.