The succubus Lilith, the demonic beast Arachne, the nine-tailed fox spirit, and the slime liquid creature get excited discussing who among the heroes they like the most.

At an after-work drinking party, Arachne the spider woman, Lilith the nightmare demon, Kuubi the fox spirit, and the slime creatures were chatting about trivial matters, but gradually the conversation shifted toward who among the heroes they wanted to date the most. There, the fleeting romance of the nightmare demon Lilith was revealed, and in order to make it come true, the four of them threw themselves into a battle that would determine the fate of the world.