[Nanahisa Kobo] Mura no Shonen no Seieki o Kurau Seirei

Summary: ❤️‍❤️‍❤️‍ A village boy collects “spirit grass” to save his village from an epidemic. However, in order to obtain the spirit grass, he had to give energy (mana) to the great spirit Undine who lives in the spring. The boy communes with the spirits and continues to pour his energy into them.
[ななひさ工房] 村の少年の精液を喰らう精霊 疫病が流行る村を救うために「精霊草」を採集する村の少年リアム。しかし精霊草を手に入れるためには泉に住む大精霊ウンディーネに精力(マナ)を与えなければいけなかった。少年は精霊と交わり精力を注ぎ続けるのであった。