お誕生日おめでとうございます。妹とのしこりも解消し黒森峰と実家を後にした彼女にとって、ここからがまた新たな戦車道の始まりなのかもしれませんね。

Happy Birthday. For her who left Kuromorimine and her parent's house after the unpleasantness of removing her sister, this may be just the beginning of her new tankery from now on huh.