[Wakamatsu] Fudan wa Amaama na Onee-san ni Kintama Karappo ni Naru made Oshioki sareru Hanashi | When an Onee-San Who Is Usually Sweet Punishes Me Until My Balls Are Dry
[Kizuki Aruchu, ZAN] (Furohile Jou) Don't really like selfcest but she was hot af and the Art was nice so enjoy. (Also if you're wondering about the genderbender tag it's explained in the story).