Summer Treasure

 is the fourth single by RY's.

Tracklist

 * 1) Summer Treasure (サマー・トレジャー)
 * 2) Kitto Kore ga Koi ne (きっとこれが恋ね)
 * 3) Summer Treasure (Instrumental)
 * 4) Kitto Kore ga Koi ne (Instrumental)

Featured Members

 * RUKA
 * JIN
 * SUAI
 * YURIKA
 * YUU