A girl is obsessed with sniffing her new classmate.

This was released during Comiket 78. And apparently, there were artbooks released too for the main characters.

From Sensation Scans:

Soda and Sukhee have known each other since they were little. Soda was the "hero" of the local kids, famous for her flying-chicken attack. While Sukhee was the new kid in town who tried to take over the playground and ended up getting a good beating from Soda. What really is the fate between these two as Sukhee challenge Soda to a fight each and everyday?

“I've been looking at nothing but him. But actually, I wasn't seeing the real him all this time... Now I want to see more.”

The moment “like” turns into “love”! A rom-com Shoujo manga that will make your heart beats fast!

I gave a guy I didn’t like a love potion? Hong Yoo, quarreling with top star Ji Sulwoo due to a wretched first meeting, fed Sulwoo a love potion one day. That shady love potion…did he really drink it?!

A girl is afraid of confessing her feelings to the boy she likes until she finds a book called "Love Practice" in a mysterious shop. Using the book the girl creates a confession look-alike in order to practice love...

From Esthetique:

Little witch Shidori predicts that Pavis is her fated lover and comes to the Royal Academy of Magic. However, under the influence of his father, Pavis hates the Demon Tribe and himself who shares the blood of the tribe. With the encouragement of Shidori, his view slowly changes…

She's a dedicated student, and he's a rule-breaker who stood up against her. However, it seems like they used to know each other long before part of her memory had vanished.

"To pass time before surgery, Hwayoon read a romantic novel for some steamy scenes.

Little did she know this would lead to her reincarnating into the story as an insignificant maid that's executed soon after. The goal is to survive, but things get out of hand... and steamy.

From DMP:
Tomonori Ozawa has just landed a job at a large publishing firm. The only catch is, he is the new editor of a Boy’s Love magazine?! On top of that, he is stuck with dealing with the artist Sakurako Kakyoin, a male yaoi artist who is notorious for missing his deadlines. To become a full fledged editor, Tomonori-kun has to start from the bottom – checking drafts, editing scripts and lettering. Now if only Kakyoin-sensei would stop sexually harassing him, he could actually get some work done!

From Liquid Passion:

Ren is a cat from the Pet rental organization. He can give his master anything they desire as long as they don't hurt him. What will his new owner want him to do? (Hint: It starts with s and ends in x...)

Sayaka is an "old maid" who's never had a boyfriend before, but has been hopelessly in love with her friend from university for 10 years. However, the night before she's about to go on a date with him, she finds herself waking up in her co-worker's house, who she hardly even knows?!? But it turns out he's actually her boyfriend, but Sayaka has no recollection of this due to a supposed head injury? But why would she date him?!? Did she give up on her past love, and is this co-worker really someone that she's head-over-heels in love with? And most importantly, will Sayaka really continue to date this mystery boyfriend?

Romance, such thing cannot exist between us!

Joey thought that he can avoid fights by transferring to another school. But what he doesn't know is that by meeting Elaine for the first time, he'll experience what it's like to be in love with your enemy.

Loser Yarahata Kanji can't even have a normal conversation with a girl let alone have any kind of relationship with one. But one day a ghost named Aiya appears and declares that he has been tasked with the mission to change Kanji's life. At this rate, the Yarahata name will not live on so Aiya will become a love doctor and coach him on how to develop relationships with girls.

The first hurdle comes when he starts a part time job at a convenience store and sees that his co-worker is a hot girl named Yoshizato Saki who also happens to be the store owner's daughter. With the help of Aiya, Kanji, although stumbling along the way, has a conversation with her and builds a relationship. But he has miles to go if he wants to be the kind of person that can date beautiful women.

Love Roma is a story of love at first sight - literally. When Hoshino sees Negishi for the first time, he asks her to be his girlfriend. Shocked, Negishi nevertheless agrees to allow Hoshino to walk her home, where he explains why he is in love with her. Touched, Negishi begins to feel something for this strange young boy from her school.

1-3) Romance
Handsome features, magnificent physique, the returning elite of America: Saeki, the bespectacled beauty of the Systems Department. While Kurahashi is the perpetrator of a crime! His pride is unforgivable. He has a ruthless attitude, so why does his hot gaze stir up Saeki’s heart?

4) Rainy Weather, 1pm in the Afternoon
Yoshizawa and Mori work in the same company but different departments, though they often meet up on the rooftop for breaks. Mori always gives Yoshizawa candy, but it isn't long before Yoshizawa is craving more than sweets from his ever cheery coworker...

5) The First Civil Servant
A history lesson from our favorite lawyers.

6) Throbbing Kiss and Love
Independent lawyer Oosawa is surprised to see that the new prosecutor is Suzuki, his old college classmate. Oosawa had forgotten kissing Suzuki in a drunken moment, but now he can't forget how sweetly Suzuki kissed him back.

7) Children Can Never Understand
Fukaya is asked by a friend to help tutor intense student Kuroda. Fukaya is still brooding over his 6 month old break-up with his ex, but Kuroda is quickly getting under the older man's skin with his perceptive attention and lack of understanding about personal space.

From Deux:
Two Knockouts In Love!! Pretty boy Kaoru Komatsuna is self-conscious about his feminine good looks and his cute, but girly, name. Handsome school boxing champ Kubo just happens to pick up Kaoru's notebook and proceeds to make fun of his strange name. Kaoru gets angry and knocks down the champ. This inspires Kubo to desperately try to convince Kaoru into becoming a boxer. After doing his best to resist him, Kaoru finds himself falling for the relentless knockout, Kubo. This yaoi comedy packs a punch!

Love Rush is about monsters who fall in love with the main character, and they all want to marry him.