Seira visits Lukedonia per the Lord's order. To protect Gejutel, she has no choice but to conceal the truth about Raizel. Raizel and Frankenstein finally decide to visit Lukedonia in person to settle everything, and M-21, Tao, and Takio follow them in secret. The welcoming of these unexpected visitors would be the start of chaos in Lukedonia...
We are RK4, knights in service 
to a certain someone.
.نحن آر كي 4، فرسان في خدمة شخصٍ معيّن
Wir sind RK4, Ritter im Dienste
eines gewissen Jemands.
Somos el RK4, los caballeros
al servicio de cierta persona.
Somos el RK4, los caballeros
al servicio de cierta persona.
Nous sommes les CdR-4 !
Siamo gli RK4.
Somos o RK4, cavaleiros
pra servir um certo alguém.
Имя нам — РР-4!