I think the admiral tried giving her a cute nickname by taking the man (pronounced mahn) in Commandant and adding -ko which is a common suffix following female first names, meaning child, and acting like 'ette' like Cosette. The problem stems from the fact the Man-ko, sounds exactly ly Manko which is Japanese for pussy or vagina, hence Teste's apparent protest.
I think the admiral tried giving her a cute nickname by taking the man (pronounced mahn) in Commandant and adding -ko which is a common suffix following female first names, meaning child, and acting like 'ette' like Cosette. The problem stems from the fact the Man-ko, sounds exactly ly Manko which is Japanese for pussy or vagina, hence Teste's apparent protest.
Cute names gone bad...I was missing the part how they are structured in Japan.
"What? Was that wrong? Should I not have done that?"