Shall we date?: Castle Break (2015)

Castle Break is an interactive romance novel developed and published by NTT Solmare.

Storyline

When you wake up in the somewhat looks like an old castle. The first thing you see is a sword lying beside you. “Where am I?” Puzzled! You look around to find a man lying on the ground suited in a beautifully garnished armor. Before long, his consciousness returned and he asks... “Are you my enemy?”