My Room Is a Dungeon Rest Stop (Manga) Vol. 2

<b>BUILDING A PARTY</b> Touru has scored a super-cheap cheap apartment in Tachikawa Tokyo--because its front door opens into a classic fantasy dungeon. But the number of roommates keeps increasing. Now a rare white slime and a sexy elf have moved in!! As the first human to ever level up Touru is planning a safer and easier way to grind more levels by breeding monsters then defeating them remotely! But things get real as Touru ventures into the dungeon and saves a mage from a fiendish beast!