Yes, you read the title correct. This is a story about a man who Isekaied into modern world. He got ...
Reverse Isekai. A door to a dungeon suddenly appear n disappear, leaving a lost knight behind...
MC (lady owner of the house) decided to just feed and later cohabite with the grateful ML (magic knight). Both are so chill about the situation. And the little brother accept ML sa fast too XD
C2 only.