2D shooter complete submission

Created by: Cerulean

Original Assets from: MSU

Modification contains: Sprite/UI page/background/player & enemies redraw/Level 2 and level 3

Drawings by: Cerulean

Main Menu music: マシュマロ王国（marshmellow kingdom）--free BGM

Level 1 music: 明日からやります--free BGM

Level 2 music: Rapid as Wildfires--Yu Peng Chen, Genshin Impact (miHoYo)

Level 3 music: Dazzling Lights in the Summer--Yu Peng Chen, Genshin Impact (miHoYo)

Player character from: Cerulean

Enemies reference from: Genshin Impact