Okuchi ga Ecchi na Jakuten datte, Rival no Elite Douryou ni Barete Shimaimashita

Suzuka Takamine has worked at a major business consulting company for three years. At the office, she’s called the unattainable ’Takane no Hana’, because of her work performance and good looks.
But she has a complex. Her mouth is overly sensitive.
When her mouth is stimulated, her body reacts with a jolt and her eyes overflow with tears....