Asuka On Board (Expert) is the second stage in The 9th Angel Strikes!.
B.B.Bunny appears as a peon.
Le'boin respawns after about 70 seconds. Soon after, a Shadow Boxer K spawns.
Use Fast and low range cats like Lion Cat and Express Cat. You can also use high health cats like Jamiera Cat and Cat Machine. Also very long range cats like Cyberpunk Cat do a good job.