This is the victory of Happy Otaku Pack!

1. [Happy Otaku Pack Vol.15] features 6 new songs. Purchase the music pack to unlock 2 summer-themed illustrations! Playing on the beach? I am a normie now ( ﾟ∀。)
2. [AKUMU / feat.tug - Toiki.] has been added to [Just as Planned] PLUS! Let's celebrate the birth of Sister Marija's second character theme song!
3. New hidden sheets for [On And On!!] and [Plucky Race]! Press the master difficulty button frantically to unlock~
4. Get Buro's birthday illustration and Sister Marija themed illustration by gaining more chips. Hear her words in the cycle of levelling-up...
5. You can now search the song by title, artist, and level designer. Never worry about finding the song you want (ゝ∀･)