Very early season, bright red skin, yellow flesh, Japanese plum. Origin: Suwon, South Korea by J.H. Jun, K.H. Chung, S.J. Kang, Y.B. Kwack, K.S. Park, H.K. Yun, and S.B. Jeong. Oishiwase × Santa Rosa; crossed 1992; selected 1997; tested as 92Oishiwase*SantaRosa43-2; introd. 2002. Tree: medium vigor; semi-upright; productive; self-infertile; blooms 2 d after Oishiwase; more susceptible to bacterial leaf spot (Xanthomonas campestris pv. Pruni). than Oishiwase. Fruit: small, 49 mm diameter, 60 g; round; skin bright red, glabrous; flesh yellow; SS 13%; semi-freestone; ripens early July with Oishiwase.