Susie Carmichael ruins Nyakkii Momoyama's 10th birthday/Concussion Time

Summary
Today is Nyakkii Momoyama's 10th birthday.

Cast

 * Julie as Susie Carmichael
 * Kate as Lucy Carmichael
 * Dave as Randy Carmichael
 * Ivy as Nyakkii Momoyama and Shimajirō Shimano
 * Kimberly as Mitsuo Kawashima
 * Shy Girl as Mimirin Midorihara