Loving Yamada at Lv999 (Japanese: 山田くんとLv999の恋をする, Hepburn: Yamada-kun to Reberu Kyū-hyaku Kyū-jū Kyū no Koi o Suru), also referred to as Yamada Kun to lv999!, is a Japanese manga crafted and drawn by Mashiro. The series kicked off on Comic Smart’s Ganma! manga platform in March 2019. By October 2023, its chapters had been compiled into eight volumes. An anime TV adaptation, brought to life by Madhouse, was broadcast from April to June 2023.