Yamada-kun to Lv999 no Koi wo Suru

From Mangamo:
Recently dumped, Akane is just about to quit the game she used to play with her boyfriend, when she meets Yamada in the same RPG. Yamada, in real life, turns out to be somewhat of a legend. The only problem is, he is ONLY interested in the game. As Akane's feelings grow, will Yamada's focus stay on the game?

Note: Won the Tsutaya Comic Award in 2022.

Official Japanese