Lohusa tells the funny story of a mother and father trying to keep up with life during the first 40 days after birth.。故事围绕大学生久住春彦(猪塚健太饰)和官能小说家木岛理生(竹财辉之助饰)展开。因为一场意外，久住春彦骑车不小心导致了木岛理生骨折，而暂无他法的久住春彦只能提议让木岛理生口述写小说。两人之间你侬我侬的纠缠情感就此上演。。