“Experience Point Rules to Promote Good Roleplay: A Look at the ‘Touched by the Heartstrings’ Achievement Points in Shinobigami, a Ninja Battle RPG”, JARPS, no. 5, pp. 89–104, Nov. 2024, Accessed: Jan. 03, 2026. [Online]. Available: https://jarps.net/index.php/journal/article/view/47