Tying the Knot with an Amagami Sister 1 (manga)

One self-made med student, three shrine maidens, and one devious marriage plot. If you loved The Quintessential Quintuplets, you've found your new obsession!Uryu Kamihate has had a rough start to life, but plans to forget it all by achieving his dream -- matriculating into medical school. But when he arrives at his new foster home, a working shrine, his dream of a quiet place to study goes up in smoke.

Not only will he be living with three beautiful, lively Amagami sisters -- but he learns that he must marry one of them and take over the shrine!