How to Raise a Boring Girlfriend, Vol. 4 - manga

Game script aside, Aki's dating sim is getting nowhere. And in a fix like this, who has time to think about stuff like background music?!!! With the finished product but a dream, the usual chaos continues. But when Aki's beautiful runaway cousin, the guitarist Michiru Hyoudou, suddenly joins the fray, the surprise appearance of a new rival forcing her way into Aki's life throws the other girls for a loop! Is she the solution to the game's soundtrack troubles? Or will Aki's otaku tendencies send her running for the hills?