Dorian In The Dark by xof1013: https://archiveofourown.org/works/109664 A mission brings both the Major and Eroica into close quarters, leading to a physical confrontation that changes the Major's course unalterably.

Il Condottiero by Anne-Li: https://archiveofourown.org/works/126146 It's Klaus birthday and he wakes up to a surprise. Someone has left him a birthday present.