Shining black armor... A fluttering cape... and... a creaky school bag on his back!? The rumored beautiful female transfer student is a Demon King from another world! [Official English](https://comics.inkr.com/title/1816-the-4th-grader-demon-lord?utm_source=mud)

*"Will you be with me, Cinderella?"* Sari is invited to her ex's wedding, where she unexpectedly finds a second chance at love… (Source: Renta!)

Kai Sugawara (my crush) and I are in the same grade at school, but he's cool and mature... One night, I see him sitting at a bar with some adults. Is he drinking, even though he's underage...!? I'm worried about him, but he says, "I'm 20." ...What!? In return for keeping it our secret, he kisses me like an adult. What am I going to do? How am I supposed to face him tomorrow...!? (Source: Renta!)

"My dad might be a murderer." The serial murder of the past, the recent killing of a cat… Were the happy days I've had until now, all fake…? (Source: Coolmic) *Note: Simultaneously released in long-strip and traditional formats, with 46 episodes and 15 chapters respectively.*

What should I do? He told me "I’m 15 years old and a freshman" even though I’m in college… and I kissed a boy who is still in 9th grade!

33 year-old Naho has the worst luck in her search for a partner. Until she crosses paths again with her childhood friend Ren at a class reunion… What does Ren mean by "I'll put an end to your husband hunting"!? (Source: Coolmic) *Note: Simultaneously released in long-strip and traditional formats, with 9 episodes and 3 chapters respectively.*

"I'll never let you go." My first kiss with him was a sweet sensation but also left a bitter aftertaste… (Source: Coolmic) *Note: Simultaneously released in long-strip and traditional formats, with 21 episodes and 7 chapters respectively.*

*"Even women... Need to unwind, right?"* The sweet voice echoing in my ears, the boy next to me with a raised body temperature... When adolescent men and women watch porn together, you shouldn't expect it to end without incident! (Source: Coolmic)

What the heck is a "cat knight"!? Transported to another world where cats don't exist, he has only his beloved cat to rely on. And... she's been turned into a giant! (Source: Coolmic)

"The floor plan of this dungeon looks familiar." I fall into a trap right as I reach the place of my reincarnation!? The key to victory is my knowledge of this cursed apartment house! (Source: Renta!)

So I'm fated to kiss him, no matter what!? "I wish I could turn back time!" No sooner do I wish that than I relive my first kiss getting stolen... again... and again... On my 17th birthday, I accidentally kiss the most popular guy in my class, Ichizou. How could I lose my first kiss to some guy I don't even like!? If only time would go back to before we kissed. And when I go to school the next day, Ichizou acts as if nothing's happened...... What!? No way! Have I actually... gone back in time ? (Source: Renta!)

Natsunoko Mamiya is 28 and single. Since her office is full of guys, the only place where she can find comfort is the quiet smoking area at the back of the building. One day, she meets the new employee Hisaya Takao there, who asks, "Can I get a light?" Just as she's about to lend him her lighter, she looks up, and his cigarette tip touches hers in a cigarette kiss. From that day on, the two start spending time alone in the smoking area and quickly develop a close relationship. Even though he's younger than her, and her junior in the company, Natsunoko can't ignore her feelings... They light up and flicker inside her like a cigarette... (Source: Renta!) *Note: First published as 6 chapters in manga format, after which it was changed to 18 chapters for a webtoon format.*