The present work is a new attempt to interpret on the episode in Genesis 18:1-15 by the method of narrative criticism. The general tendency on the narrative had focused on the exemplary act of Abraham’s hospitality interpreting it as his righteousness by the perspective of NT (Heb 13:2) or by the test motive of Greek Myth (the birth of Orion). The retributive theology was considered too much in interpreting the Fellowship narrative (Gn 18:1-15).These interpretations conflict with the narrator’s own theological views: (1) righteousness by faith (Gn 15:6), (2) God’s mercifulness to save Lot (Gn 19:29), and (3) God’s being gracious to make Sarah conceive (Gn 21:1). This study attempts to find out the author’s own interpretative view indicated in the whole Abraham narrative (Gn 11:27-25:11) as well as in the Fellowship Narrative itself (Gn 18:1-15).The present work is an attempt to interpret on the narrative by the method of narrative criticism. This study pays attention to the narrator’s various literary skills: “linking structure with preceding episode” (Gn 18:1a); “Sandwiched structure” of the larger context (Gn 18:1-21:7); Unique Plot Sequence; and Repeated Clue word and phrase (“laugh,” “Sarah,” ”this time next year”). These literary skills are understood to indicate the faithfulness of the Lord who tries to fulfill what he promised. The conclusion of this study overturns the traditional interpretations on the Fellowship Narrative. This work attests that Abraham showed his righteousness not by doing hospitality but by obeying God’s new command of circumcision out of willing heart as he used to obey the Lord’s commands having faith in the promise of the Lord (ch.126.96.36.199). The motive of God’s visit is to have the covenantal fellowship with obedient Abraham (ch. 2.1.6; 188.8.131.52). Abraham’s first moment recognition of deity is attested by interpreting of the technical pair verb, “And he lifted up his eyes and he saw and Lo!” (Gn 18:2a), which depicts prophetic experience of Abraham (ch.3.3). Abraham’s manner for the visitors is relevant to the higher ones (ch.184.108.40.206). The futile human endeavor without having faith is considered as the reason of being delayed of fulfillment of God’s promise (Gn 16). The fulfillment of the promised son was not attained by any human effort, but only by God’s merciful intervention in the Abraham narrative (ch. 4.4.4 and 4.4.5).