Yamada-kun to Lv999 no Koi wo Suru

After her boyfriend cheats on her with another girl he met in-game, Akane Kinoshita learns the hard way that gamer boyfriends can be just as bad as the offline variety. As she vents her anger by beating mob monsters to a pulp, she has a chance encounter with Akito Yamada, a guildmate with an afro and Noh mask.