𝐩𝐥𝐚𝐲 𝐩𝐫𝐞𝐭𝐞𝐧𝐝 : ̗̀➛ malleus draconia

: ̗̀➛ malleus has a hypothesis to test, and lucky him, you're there to help him. ㅤㅤㅤ・❥・content warnings are given in the first chapter ㅤㅤㅤ・❥・cover art credit: https://www.pixiv.net/en/users/5610758