心 Painstaking Effort 心血 by Chemist Butterfly (化学家蝴蝶) StatusOngoingLength13k WordsChapters10GenreRomanceEraModern EraUpdated9mo agoSourceJJWXC Request a translation Stats 2Clicks / chapter Tags ThemeLovePOVFemale LeadAge18+Devoted LoveSweet StoryYounger Love Interest Synopsis Sister-brother love Intention: pure and beautiful feelings Show more More by this author 狗 The Bloody Plot Is Followed Hard Chemist Butterfly