• Editor's Note: 1 - SunStar G.U.M. is an oral health products brand that's pretty large in Asia.

Their site - https://sunstargum-sea.com/

• EN: 2 - "The temporomandibular joint (TMJ) acts like a sliding hinge, connecting your jawbone to your skull. You have one joint on each side of your jaw. TMJ disorders — a type of temporomandibular disorder or TMD — can cause pain in your jaw joint and in the muscles that control jaw movement."

From this site - https://www.mayoclinic.org/diseases-conditions/tmj/symptoms-causes/syc-20350941

• EN: 3 - Seiji Miyane is a Jp Presentor and actor. One of the main shows that he hosts is "Mr. Sunday"

Wiki - https://asianwiki.com/Seiji_Miyane

• EN: 4 - The floating stone is a monument in Takasago Japan. It's considered one of Japane's national historic sites.

The stone is dark-ish and has a wrinkly texture.

Article with picture - https://www.ancient-origins.net/myths-legends-asia/ishi-no-hoden-0015229

• EN: 5 - Castanets, also known as clackers, are a percussion instrument.

Here's a vid of someone playing them - https://www.youtube.com/watch?v=Ag6KmZ-2Ymo

Another - https://www.youtube.com/watch?v=XxTmv7EAtgU