By order of the chapters:

Storybook Mishaps - When college student Yoonji leaves a cafe a little too quickly, she may forget leaving a certain novel behind
...a novel that he has read and loved. (Namjoon, BTS)

Serendipity - A barista who harbors a year-long crush on the Victoria's Secret promoter next door is too nervous to make the first move, until he smells the faint whiff of perfume, long after he thinks she has gone. (Xiumin, EXO)

The Cellist And His Muse - An arrogant cellist learns to overcome the mutual dislike between himself and the Band club's lead violinist is put to the test when he hears the sound of her violin...aka the strings that pull at his heart. (Park Bo Gum, actor)

Birthday Kisses - Seokmin is used to her best friend showing up randomly. But this birthday, he may have something that changes everything they both know about "girls and guys can't be best friends". (Taehyung, BTS)

Of Puppies And Men - Tough single lady Yeji meets her opposite when her cat goes over to her new neighbor's house, 
prompting him to seek her help. What happens when her embarrassing tactics expose her soft-at-heart personality, not to mention her inner fangirl? (Kai, EXO)

Honeymoon Suite - Awkward guy Kim Seokjin is married to an equally awkward girl name Minjee, and already their imminent night at a luxurious honeymoon suite has them tangled in the web of barely controlled mortification. (Jin, BTS)

Skool Luv Affair - Min Yoongi is a closet member of the undead without a soulmate. Everything he sees is grey and dull,
and he's fine with that. Which is why it makes absolutely no sense when the incredibly, overly perky new girl, everything he doesn't like, is a burst of color in his dreary world. They call it the dscovery of a soulmate. (Suga, BTS)

Purrfect Day - in which a frustrated big sister has a little comfort from her quiet but friendly cat lady neighbor Do Kyungsoo, and discovers that cats (and the fine specimen of a human) might be the answer to her heartache. (D.O, EXO)

Smackdown - where Jungkook's wrestling punching bag partner Jihyun isn't confident of going up against the Ace but tries anyway. (Jungkook, BTS with minor Baekhyun, EXO)

Childhood Fantasy - Bae Joohyun attends a reunion dinner with friends she hasn't seen in a long time, and tries to deny the lingering feelings of the childhood crush her best friend had had on her. Has he moved on and forgot the childhood fantasy or does he still harbor some sort of interest in her even after all this time? (Irene, Red Velvet x Jimin BTS)

The Silent Musician - Mute student Eunjung, ace of her class, crosses paths with a very friendly Jaehyung, the mascot of the school's Rock Club. Immune to his charms, she strikes up an unlikely friendship with him, and there might be a chance that she can be what the Rock Club needs. (Jae, Day6)