Renseijutsushi Collet No H Na Shibo Shirage Monogatari

A story about a girl, Colette, who lives in the mountains with Priscilla, a master alchemist. Priscilla uses a special sperm-based alchemy for her work – the same art Colette is trained in. After her mentor is visited by a strange type, she is forced to leave, but entrusts her apprentice with their alchemy workshop. Now that she is alone, Colette is forced to take over as workshop manager, beginning her adventures as a young sperm alchemist.