Princess Heart Link: Kenki-tachi no Enbu - Side Aoi Nagisa Adult

Tsukasa, a reserved and effeminate boy enrolls in St. Trea High School where his cousin Mahiro works as a teacher. As St. Trea was a girls' school until recently, Tsukasa is one of few male students and has not been able to make any friends. While eating a lunch prepared by his stepsister Hazakura alone in the schoolyard, he encounters a beautiful dusky girl saving a kitten from a tree. Fascinated by her, Tsukasa learns she is a foreign princess named Siris and decides to become stronger. Mahiro and Hazakura recommend he try the new VRMMO, Princess Heart Link, where a player's desires are amplified to break through inhibitions they face in reality.



There Tsukasa encounters Siris under attack by a hacker. Despite her superior skills, she is at an obvious disadvantage until Tsukasa instinctively dives in to save her. Using that moment of distraction to gain the upper hand, Siris defeats the hacker and is captivated by Tsukasa's manly actions. In thanks, she rewards him with a special service.



The pair then agree to an [Engage Link]--an in-game marriage, when a bug suddenly occurs that transmits pleasure shared through the link into reality...

(Source: Paradigm, translated)