Tournament rules say that individual players can’t practice with players outside of their own school. Using this rule, the girls invite players to practice against their team.
Especially the younger 
sister, Matsumi Kuro.
خاصّة الأخت الصغيرة ماتسومي كورو
Especialmente la hermana menor, Matsumi Kuro.
Sobre todo en el caso de la pequeña, Matsumi Kuro.
Surtout la cadette, 
Kuro Matsumi.
Soprattutto quelle della minore, Kuro Matsumi.
Principalmente da Kuro Matsumi, a mais nova.