If you're looking for manga similar to Heat Me Up, you might like these titles.
A shapeshifter is driven to seduce and consume boys on moonlit nights; a boy travels back in time using an inventor's time machine only to discover that it was invented so they could become lovers; a snow fairy cures a blind man; after being dumped by his lover, a boy discovers that his ex's cigarette lighter contains a genie more than willing to take the lover's place... and more!
I got my heart broken and started raising two snails – turns out they’re aliens? That’s not the only surprise, as they plan to conquer the world by breeding with… me? Is that their only reason for…?
Ozae is a blood-drinking monster known as a Bat. Knowing his secret, Seoho offers him a deal. Initially wanting nothing but his blood, at some point the beautiful Ozae finds himself wanting all of Sheoho. While Seoho also soon falls for the beautiful man. How will their dangerous and dizzying dance end?
"Jisung" is an average job seeker. After several failed attempts at landing a job, he drinks too much. While he's vomiting in the park, some guy comes up to him and asks him to be his master. A new kind of pervert?! But he's so my type!
Grey, a Night Hag that enters the dreams of humans to feed off of their souls, makes it part of his post-meal routine to visit the human, Ethan, a regular at the cafe that Grey works at. Though he puts Ethan to sleep and tucks him into bed every night, he has no desire to enter his dreams. However, when the Lamians appear before them, fate begins to take a foreboding turn...
Will, an author and single father to Jesse, runs a small bookstore. On his way home after work, he finds a teenage boy collapsed in an alley, and brings him home. The boy has lost his memory so Will names him Leo and they live together as a family for several years. Will considers himself like a father to Leo, but he is not Leo's father. Leo contemplates how to appease his rocky emotions until one day his memory returns, and he makes up his mind to leave Will and Jesse... “I've come this far in order to face you as the man that loves you.”
Yeo-ul has pop star-like looks but that hasn’t stopped him from being misunderstood his whole life. And with the school year finishing up, this summer break could be a lonely one. That is until one night a street cat follows Yeo-ul home. This persistent little guy won’t take no for an answer so Yeo-ul decides to take him in, adamant that it’ll be for one night only. However, after one little smooch, this kitty turns into a really buff - and really naked! - man. For Tater, the white cat, finding Yeo-ul is anything but a coincidence. And once Yeo-ul agrees to take care of him, this is his chance to pounce! But it turns out, being human isn’t as easy as it seems…