Hiten No Asuka ~Isekai No Shoujo Ni Saikyou Takara-Gu Ataeta Kekka~Hiten no Asuka ~Isekai no Shoujo ni Saikyou Takara-gu Ataeta Kekka~; 緋天のアスカ ～異世界の少女に最強宝具与えた結果～; Asuka of the Scarlet Sky: What Happened When I Gave the Strongest Noble Phantasm to a Girl from Another World

Kashiwagi Yuuto, who was bored with his life, died in an unexpected accident. He was given the ability to create holy treasure tools from God after his death. Yuuto was thrown out to another world and met Asuka, a girl who wants to be a hero. A scarlet swordswoman and a Captain of the Royal family's imperial guard and a female hero whom every citizen yearned for, were engulfed in the secret pleasures of being a woman...