What does RKB stand for?
RKB stands for "Ro-Kyu-Bu"
How to abbreviate "Ro-Kyu-Bu"?
"Ro-Kyu-Bu" can be abbreviated as RKB
What is the meaning of RKB abbreviation?
The meaning of RKB abbreviation is "Ro-Kyu-Bu"
What does RKB mean?
RKB as abbreviation means "Ro-Kyu-Bu"