Hasegawa has a life-or-death encounter with assassins, and the Shinsengumi and Mimawarigumi compete over solving a fictional case.
It can be Monkey and Aska's 
gramps and gran, then.
.يمكن أن يكون القرد وجدّ وجدّة أسكا إذًا
Quedémonos con los ancianos
de Mono y Aska.
Então podem ser os avós
do macaco e de Aska.