Shin doesn't want to get close with anyone, being afraid of his own dad. New school, new people...
https://myreadingmanga.info/article-60-of-criminal-code-shuhan-zekexrex-onsen-tour-series-1-xenoblade-chronicles-2-dj-eng/
https://myreadingmanga.info/article-60-of-criminal-code-shuhan-kizuna-power-%e2%88%9e-xenoblade-chronicles-2-dj-eng/2/