Tom Riddle’s Guide to Repeatedly Failing to Get Laid in the Restricted Section (слэш)

"Tom happens upon Harry Evans in the Restricted Section of the library after curfew on a Tuesday.
The boy transferred into Hogwarts at the beginning of the school year and has been like a stubborn sliver stuck under Tom’s skin ever since.
Tom has lived a life of scarcity, always wanting more while never having enough of even the most basic necessities. He’s disinclined to deny himself anything he wants that’s in his power to acquire.
And Evans appears to be one of those things."
Or: Tom is a failboat at human interaction who's all too quick to rely on obliviation instead of growing as a person; Harry is stuck in the 1940s and working hard to get home and not break the timeline. His nightly research in the Restricted Section makes him a stationary target for Tom's "seductions" and poor impulse control.