Bismarck drei model: http://www.amiami.com/top/detail/detail?gcode=TOY-SCL2-57857

Bismarck daki: https://www.amazon.co.jp/dp/B01HEGGK9W

Bismarck figma-like thing: http://www.amiami.com/top/detail/detail?scode=FIGURE-018907

• LOG by Urealm: https://www.amazon.co.jp/s/ref=nb_sb_noss?__mk_ja_JP=%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&url=search-alias%3Daps&field-keywords=L.O.G+by+U-realm

• Ref: https://www.instagram.com/p/BICRVxBA6Mk/

• Cospatio's kneesocks are here, pick your design, height, and size: http://cospatio.com/special/kneeso/

• Cospatio's "support" items, all sorts of accessories, undergarments, little props, etc: http://cospatio.com/event/id/1084

• Cospatio's stuff appears on Amazon too, via Gee Store (an official outlet). For example, kneesocks

• TX2BT Philips: Bluetooth, NFC, headset mic, 15,900 yen, black or white, with gold accents; might be better option
• ATH-CKS550BT Audio Technica: Bluetooth, NFC, necklace style with wires, not sure if it takes calls, 10,700 yen, black with gold accents, or white