Hitoribotchi no Isekai Koryaku life.6 (Overlap Bunko) [Light Novel]

[Machine Translation] Haruka, a "loner" high school student, leaves for the royal capital with the princess. Haruka saves her royal brother from being attacked by someone on the way, and temporarily returns to the frontier town of Omi, but in the meantime, the royal capital is occupied due to the rebellion of the second prince, who has become a puppet of the merchant kingdom. Haruka decides to liberate the royal capital to put an end to the war between the frontier and the kingdom. She breaks through a series of treasured protections and traps. After breaking into the capital, Haruka begins a fierce battle with the army of the second prince, but then he opens a souvenir shop! However, the Shogunate, which is behind the scenes, senses Haruka's intentions and summons its trump card, the "Seven Swords of the Shogunate". The strongest magic sword user stands in Haruka's way...? The 6th volume of the tale of the strongest loner in the world!

王女と共に王都へ旅立った“ぼっち”の高校生・遥。道中で何者かの強襲を受ける王弟を助けた遥は辺境オムイに一時帰還するが、その間に商国の傀儡と化した第二王子の謀反で王都が占領されてしまう。遥は辺境と王国の戦争に終止符を打つべく王都解放を決意。宝具による護りや罠を次々と突破していく。そして王都に侵入を果たした遥は、第二王子の軍勢と壮絶な戦いを始める―と思いきや、御土産屋さんを開店して!?しかし裏で糸を引く商国は遥の狙いを察し、切り札の“商国七剣”を召集。最強の魔剣使いが遥の前に立ちはだかり―!?最強ぼっちの異世界攻略譚、第6巻!