Based on his experience of getting along with international friends through sports during his time in Germany, Taishin founded TIB with his friends at Keio University. Studied abroad at the University of Manchester during the 2024–2025 season; played for the Division 3 basketball team and was awarded Season MVP.

A passionate basketball player since 13, Hajimu moved to Germany at 15. He joined his school’s varsity team and represented them in the Northwest European Council of International Schools (NECIS) across Europe, enjoying the experience of playing with diverse people.

Serving as a RA for his international dormitory, Teru has been working on enhancing international students’ life in Japan by connecting them to Japanese culture and students. He has played basketball during middle school and his number one priority is Arsenal FC.