After successfully completing the road construction, the novice alchemist Silvia visits the towns adventurer guild and meets Guild Master Irene, who respects Silvias mother as a benefactor. An emergency suddenly arises when a collapse accident occurs at the western mine. Silvia and Irene rush to the rescue. To repair the blocked tunnel, Silvia must absorb monster semen into her body and activate her alchemy for the first time in a real quest. What begins as a life-saving mission quickly turns into intense, energy-gathering sexual encounters as she fuels her powers to save the trapped people