Unkai Kote +2: STR +10 & AGI +10
Kasuga Kote: STR +11 & AGI +8
Kasuga Kote +1: STR +14 & AGI +11

Unkai Kote +2 got more AGI than the Kasuga Kote, and the buff given to both the 109 & 119 version isn't that much either. This looks like an error.