Translation Check by Chrouya
Script: Ripped from below raw.
Workraw: [HorribleSubs] Jinrui wa Suitai Shimashita - 12 [480p].mkv 

12/13
{\i1}Since she was my roommate, \Nthough not by choice,
{\i1}I had to eat lunch with them.
{alternative suggestion for sentence structure:}
{\i1}I had to eat lunch with them as she was my roommate,
{\i1}though not by choice.

24
you mean Silver?
{as you might have realized, all have nicknames according to hair.
 makige = curly hair. 
 ginpatsu = silver hair
 okashi = sweets}

54
And I became a fourth-year student.
And I have successfully become a fourth-year student.
{literally I've advanced, but stretching this line here liberally}

78
The Heart of Heavenly Thomas
The Heart of Heavenly Touma
{edit "Heavenly Touma" as you like, according to the following source:
http://en.wikipedia.org/wiki/List_of_Ronin_Warriors_characters#Rowen_Hashiba
}

The list of the book titles
- Musa Puerilis
- Poems of Ancient Athenian Pederasty
- Satyricon
- Death in Venice
- Narcissus and Goldmund
- Poems of Fire and Bells
- Neglected Chronicles
- A Bundle of Rice... {unfinished}

389
They're old.
They seem quite old.