=Levi=
He sings to you different songs depending on his mood. But his favorite song to sing to you is 'I Will Be There' by MontecristcristoWhy?
Because it's his favorite song, and it makes him happy when you join in and sing with him.
=Eren=
He sings to you just before you go to sleep. The usual song he sings to you is 'I Love You Too Much' by Diego Luna and Gustavo SantaolallaWhy?
He wants to express how much he loves you in anyway possible and thinks this is the best song to do that.
=Armin=
He sings to you whenever you want, or when your cuddling together. The song he sings to you is 'Can't Help Falling In Love' by Pat McIntyreWhy?
Because he just loves the song, and he loves you.
=Jean=
He sings to you when it's time to wake you up, on your birthday, or on holidays. The song he sings to you is 'My Heart Will Go On' by Arkadiusz NielepiecWhy?
Because Titanic was the first movie you ever saw together.
=Bertholdt=
He sings to you whenever you ask or when your in a bad mood. The song he sings to you is 'A Thousand Years' by Boyce AvenueWhy?
Because he wants you to know how much he loves you, and he'll always play the guitar while he sings to you.~~~~~~~~
Links to songs will be in the comments below.
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Attack on Titan Imagines and Preferences
RomanceI do take requests, and the characters I will do are the following: =Levi= =Eren= =Armin= =Jean= =Bertholdt= Also if you want more....well just read the title.