A Gift from Space: Somatids, Microscopic Intelligent Entities Manufactured by Soma-chi Co., Ltd. Brand New, Unopened Stone Type: 100g Bonus: Onsen Stone: 200g It is said that the difference between onsen (hot springs) and public bathhouses lies in the presence or absence of somatids and minerals. Onsen water is hot water that wells up through underground rocks. These stones were quarried near famous onsen in Japan. For those who find it cost-prohibitive to use somatids in the bath, please experience the effects. Shipped from the Tokai region via Nekopos or Yu-packet Post. ☆Instant purchase welcome