Karous

Karous (カラス, karasu, "crows") is a vertical-scrolling shooter video game developed by MileStone Inc. for the Sega NAOMI platform and released in Japanese arcades on November 15, 2006.

The game was later ported to the Sega Dreamcast, becoming the system's last officially licensed title when it was released in Japan on March 8, 2007.

Enemies destroyed by the barrier provide more experience points to the player.

The player's shot, sword, shield can be upgraded by using experience items dropped from enemies, with a maximum of 100 levels.

[3] The game marks the last official third-party release for the Dreamcast platform.