Harry Potter 1-6
Hunger Games 1-3
The Mysterious Benedict Society
Mazerunner (all of the series)
I like a lot of books. I've read so much I still remember them but forgot a lot of their names.
My Neighbor Totoro,
Ponyo on the Cliff by the Sea,
(Studio Ghibli pretty much)
Classical music like 'Suprise Symphony'
Miku Hatsune's 'The World is Mine'
Rin Kagamine's 'Meltdown'
Lots of Rin + Len tragedy songs like Daughter of Evil+Servant of Evil+Regret Message, Prisoner+Paper Plane, and Soundless Voice+Proof of Life
'Migikata no Cho' (Butterfly on your Right Shoulder)
'Romeo and Cinderella' (I only like version RinxLen)
Electric Angel (Miku Hatsune)
Kasane Territory (Teto Kasane)
Magnet (MikuxMikuo ver.)
Trick and Treat (Rin + Len)
A lot of Vocaloid. (Still more. The list is practically all they've ever sung minus Kaito + Gakupo. I just don't like listening to them, sorry.) I hate people who are all 'Vocaloids are fake singers with no purpose' because 1.) Sure they have a purpose! People listen to them! 2.) How are they fake? They're modified from human voices. (Asami Shimoda and Saki Fujita rock)
Totoro and Ponyo themes,
Anime themes (If I told you all the anime themes you'd die before I finished)
They are all from Japan.
If you think the list has ended, think again.
Game master (I dunno if you'd count that as a hobby)
(Just in case you don't know an otaku is an anime geek, cosplay is dressing up like a manga character, and a mangaka is a manga artist)
Think I have more?