The grub theme is about Game Development Club which from the game Blue Archive.

Installation:

Usage: sudo ./install.sh [OPTIONS...]

  -t, --theme     theme variant(s)
  -i, --icon      icon variant(s)           [color|white|whitesur]              (default is color)
  -s, --screen    screen display variant(s) [1080p|2k|4k|ultrawide|ultrawide2k] (default is 1080p)
  -r, --remove    Remove theme

  -b, --boot      install theme into '/boot/grub' or '/boot/grub2'
  -g, --generate  do not install but generate theme into chosen directory       (must add your directory)

  -h, --help      Show this help

• Install the theme into /boot/grub/themes:

sudo ./install.sh -b -t

• Uninstall the theme:

sudo ./install.sh -r -t

Update

use the update.sh to customizer your own blue archive theme

Usage: sudo bash update.sh [OPTIONS...]

the prompts are the same to install.sh

Background

put your background into the folder customizer (Only *.png *.jpg, *.jpge are allowed)

Source

Welcome to view the website to download this theme and leave a star! (Thx)

Thanks to

This repo is build upon the grub2-theme