Ikusei Skill wa Mou Iranai to Yuusha Party o Kaiko Sareta no de, Taishoku Kingawari ni Moratta “Ryouchi” o Tsuyoku Shitemiru

I Was Dismissed From the Hero's Party Because They Don't Need My Training Skills, So I Strengthen My "Fief" Which I Got as a Replacement for My Retirement Money, 育成スキルはもういらないと勇者パーティを解雇されたので、退職金がわりにもらった【領地】を強くしてみる