To Evaluate the Safety, Tolerability, PK, PK-PD Relation of KD101 in the Fed State in Obese or Overweight Subjects

Inclusion Criteria: * Male or Female adults aged 20 to 55 at screening (Part II : Male adults aged 20 to 55 at screening) * Healthy volunteer whose BMI ≥ 27 (Part II : Healthy volunteer whose BMI ≥ 18) * Female who are not pregnancy possibility or Male/Female who can abstinence or contraception during clinical trials Exclusion Criteria: * Subjects who had clinically significant disease history (liver,kidney,nervous,pulmonary,endocrinal,urinary,cardiovascular,musculoskeletal,mental system,blood,tumor) or diagnosed within 1 month from screening * Subjects who had gastrointestinal disease(Crohn's disease, ulcer, acute/chronic pancreatitis) that affect the absorption of test drug or gastrointestinal operation (However, appendectomy, herniotomy induced by acute appendicitis are excluded) * Subjects who had following history. \[myocardial infarction (diagnosed by cardiac enzyme and/or diagnostic ECG), cerebral infarction/stroke, arrhythmia needed to medical treatment, unstable angina, pulmonary hypertension\] * Subjects who had positive result to Human Immunodeficiency Virus, Hepatitis B virus, Hepatitis C virus during screening * Subjects who had allergy history (ex. allergy for aspirin, antibiotics, etc) or had clinically-significant allergy * Subjects whose systolic BP was \<85mmHg or \>145mmHg, or diastolic BP was \<50mmHg or \>95mmHg, or pulse was \>100/min after 3 minute-seating position. (BP can be re-measured twice at leat 5 minute-interval) * Subjects who would take prescribed/oriental drug(within 2 weeks from the first dosing day) or OTC drug or vitamines (within 1 weeks from the first dosing day) * Subjects who drink over than 21 unit (1 unit = 10g of pure alcohol) or cannot quit drinking alcohol during clinical trial period * Subjects who ate following food within 2 days from the first dosing day or cannot quit following food \[grapefruit-contain food, caffein-contain food(coffee, green tea, black tea, soft drink, coffee milk, energy drink)\] * Subjects who didn't agree contraception * Subjects who didn't agree to quit smoke * Subjects who donated his/her blood within 2 months (whole blood) / 1 month (apheresis) or who took transfusion within 1 month * Subjects who participated another clinical trials within 3 months from first dosing day. (The clinical trial completion day is defined as the last dosing day of past clinical trial) * Subjects who are not adequate to this trial by lab examination and another reasons * Subjects who weighed loss more than 5kg in 3 months