Psychological Masterpieces - (Shounen Ais and Yaois)

Without a stable job or home, Joo May lives recklessly, drifting from one lover's house to another. One day, May passes out, almost beaten to death by an ex-boyfriend he bumped into. When he wakes, he finds himself chained up in the house of Shin Jooin, the clean-cut man who apparently rescued him. But there's something off about Jooin, who treats May almost like a pet... Who is Jooin really, and what is he hiding?

"The story of Ilya, who lives purely for his lover Henrik, a genius in a steampunk world. Despite horrible nightmares, life goes on as usual until a stranger visits. As Henrik grows jealous and possessive, Ilya begins to grow a spine want to live for himself. Will he be able to follow his own heart?"

A manga that has multiple stories that includes twisted and disturbing events

"Joseph lived an ordinary life and it all took a turn when he realized he was being stalked. First, his school, then his locker, his phone and eventually his home- every aspect of his life was infiltrated by his stalker. Joseph is at his wits' end when Glen, a stranger, steps into his life at just the right moment and offers him a helping hand."

"College student Akio is dating his beautiful classmate, Ryou. Unable to stand the slightest loneliness, Ryou accepts any girl who approaches him. One day, Ryou introduces Akio to a girl he is thinking of marrying which makes Akio decide to completely break it off with Ryou. Instead, a heart wrenching love story takes stage!"

"A story between a young boy in grade school who often goes to this 'Nii-chan''s place to play video games after school, however the 'Nii-chan' has ulterior motives and asks for sexual favours... Will the boy give in to 'Nii-chan''s persuasion or will he put a stop to it before it all goes wrong..?"

"Shevon is a writer who lives in a run-down apartment in the streets of the slums. One day, strange memos start showing up at his front door. Before he can uncover the mystery behind them, he encounters a beautiful young man that keeps peeling onions on the staircase next to his unit. After accepting a dinner invitation from the young man, Shevon discovers a dead body in his host’s bedroom..."

"Why did the stalker choose Hyunsung? It began with gifts. First, candies, milk cartons, confectionaries piling outside his small apartment’s door. Then, the meals. Dinner cooked and waiting for him, perfectly timed for when he arrived late from his mundane office job. Soon he began to accept it, the feeling of being watched, like it even. But why him? Who is the stalker? Can Hyunsung really let this continue...trust him? Or is it all just a game…"

A manga that has multiple stories that includes twisted and disturbing events

"Some staircases are not meant to be traipsed upon.
It was said that there was a beautiful demon lurking around the West Staircase which also explains why no student ever goes there. One day Midori gets lost and being the transfer student he is , he never knew about this at all. He was at the West Staircase and expectedly things never turned out well and ever since then Midori vanished from the public eye.."