Silver is for Eternal Oath, what me and unknown did.
Gold is for Eternal Oath (Blessing), only available for a limited number of girls right now and shows a scene. Girls with Eternal Oath (Blessing):
・ネムノキ (Silk Tree)
・アネモネ (Anemone)
・クコ (Wolf Berry)
・ヒガンバナ (Red Spider Lily)
・サクラ (Sakura)
・マンリョウ (Coral Bush)
・スイレン (Water Lily) [June Bride]
・プルメリア (Plumeria) [Motherly Love of Hope]
・シュウメイギク (Japanese Anemone)
・ハナモモ (Flowering Peach)