Come to me to ease ur pain : Medicine Buddha

Bhaiṣajyaguru or the Buddha of healing and medicine on the east face to the four-sided sculptures at Gulbulsa Temple Site in Gyeongju / 慶州掘佛寺址石造四面佛像中東面 藥師佛 / 경주 굴불사지 석조사면불상 중 동편 약사불 

This Buddha is thought to be the work of the 8th century Unified Silla period. 

Among the Buddhas, Bhaiṣajyaguru is regarded as the Buddha who presides over the East.