-https://mechacomic.jp/books/260039
-Included with the February 15th, 2013 inaugural issue of Harta. "Harta" means "treasure" in Indonesian. In this booklet, various creators followed the theme of "harta is treasure" to create one-page manga and illustrations. (Source: Harta, translated)
*”I don't like anything about Ryo Higashihara, from the way he acts all humble even though he's a Dom to that look in his eyes that won't give in no matter what I do to him."* Haruhiko Takase, despite his large size and intimidating appearance, is a Sub. Unable to accept himself as such, he pokes fun at his classmate Higashihara, a Dom who doesn't act like one. However, it was Higashihara who helped Takase out of a physical condition caused by an overdose of suppressants by playing with him. They quickly grew closer because of their shared hobby of liking movies and their mutual inability to accept their second identity. As they became closer, Takase began to want to be dominated by Higashihara... (Source: Kadokawa, translated) *Note: Includes one extra chapter.*
Pairing: Kageyama x Hinata Tobio is jealous of other people calling Hinata by his first name and vents his insecurities through sex.