Ore No Level up Ga Okashi! Dekiru Otoko No Isekai Tensei 1 (COMIC Ra Guchi U)

[Machine Translation] Full color! Includes a newly illustrated 15-page story! Zalmen", a lowly adventurer, decides to retire from the adventuring business. In order to graduate from being a virgin, he decides to spend all the money he has saved since his reincarnation in a high-class brothel. He is met by an exquisite woman whom he will never have the pleasure of meeting. With her hospitality, Zalmen fully enjoys sex for the first time, but as soon as he comes, he hears, "Implantation confirmed. Level up! Level up!" is the mysterious announcement in his ears! The moment he comes, he hears a mysterious announcement: "We've confirmed implantation! This is a fantasy about an adventurer from the bottom of the world who has been at level 1 for years, but through sex, rises to the top in a bizarre implantation-based adventure!

全編フルカラー！　描き下ろし1話15P新規収録！うだつの上がらない冒険者“ザルメン”は、冒険業からの引退を決意。さらに童貞も卒業するため、転生してから今までせっせと貯めてきた全財産を高級娼館でひと思いに散財することにした。そんな彼の前に現れたのは、彼には一生縁のなさそうな極上の女。彼女のもてなしもあり、ザルメンは初めてのセックスを十分に堪能するが、イッた瞬間、彼の耳には「着床を確認しました。レベルアップ！」という謎のアナウンスが！「これってもしかして、“種付け”するほど強くなるってこと…？」万年レベル1だった底辺冒険者がセックスを通して成り上がる、奇想天外な着床系異世界冒険ファンタジー！