People followed Sentinel-Guide (Guideverse) BL page 1

List of all the guideverse BL manhua I could find (*only* manhua). Just note that Sentinel = Esper. 

Wiki Link is for self-reference. It includes some of the tropes features in these manhua.
https://baike.baidu.com/item/%E5%93%A8%E5%85%B5%E5%90%91%E5%AF%BC/19461761