A Study of TAK-881 in Healthy Adults

Inclusion Criteria: * An understanding, ability, and willingness to fully comply with study procedures and restrictions. * Ability to voluntarily provide written, signed, and dated (personally or via a legally-authorized representative) informed consent as applicable to participate in the study. * Age 19-50 years inclusive at the time of consent. The date of signature of the informed consent is defined as the beginning of the screening period. This inclusion criterion will only be assessed at the first screening visit. * Male, or non-pregnant, non-breastfeeding female who agrees to comply with any applicable contraceptive requirements of the protocol, or female of non-childbearing potential. * Must be considered "healthy." Healthy as determined by the investigator on the basis of screening evaluations. Healthy status is defined by absence of evidence of any active or chronic disease following a detailed medical and surgical history, a complete physical examination including vital signs, 12-lead electrocardiogram (ECG), hematology, blood chemistry, and urinalysis. * Body mass index (BMI) between 18.0 and 30.0 kilogram per square meter (kg/m\^2) inclusive. Exclusion Criteria: \- Any current or relevant history of medical (e.g., any hematological, hepatic, respiratory, cardiovascular, renal, or neurological) or psychiatric conditions, which by judgment of the investigator might compromise the safety of the participant or integrity of the study, interfere with the participants…