Geocentric Reverberation is a Manga/Manhwa/Manhua in english language, SCI-FI series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Zhao Zi Hui and his elder brother Zhao Zi Yue were born and raised in Harbor City. One day, Zi Yue discovers the existence of an alien species and abruptly leaves their home. A few years later, Zi Hui still can't find peace as his brother's disappearance comes back to haunt him.