TRINITY SEVEN - 夢幻圖書館與第七個太陽

Trinity Seven Phantasm Library and Seventh Sol, the popular idle RPG title, will soon be shutting down after four years of service. The game was based on the Trinity Seven anime, which itself was inspired by the manga of the same name created by Kenji Saito and Akinari Nao in 2014. Developed by Silicon Studio, the game was revealed in December 2017 and officially released on March 22, 2019, after a brief hiatus. It featured an easy match-3 action auto-battle system that allowed players to tap on gems to do damage to their adversaries while characters battled automatically.