Murakuchi Naika, operated by Medical Corporation Aiwakai, is an internal medicine clinic located in Shiroyama-cho, Sasebo City, Nagasaki Prefecture. The clinic operates under a "Three Cares" concept: "Before Care" serving as a community primary care physician from a preventive medicine perspective; "Core Care" providing specialized medical services in respiratory, gastroenterological, and cardiovascular medicine; and "After Care" supporting recovery from hospitalization or nursing care and facilitating return to home and community life. Consultation hours are from 8:30 AM to 12:30 PM in the morning and 2:00 PM to 6:00 PM in the afternoon, with closures on Sundays, national holidays, during the Bon period, and at year-end and New Year. The facility is equipped with parking and barrier-free access. Additionally, the clinic offers services for elderly patients through a program called "Hanalei Club," which provides nursing care services through programs tailored to individual abilities, ensuring users can find comfort and relaxation. English-language support is also available, accommodating the needs of a diverse patient population. Through these community-oriented medical and nursing care services, the clinic supports the health of local residents.