Baka to Test to Shoukanjuu‎ - Volume 9.5, Me and Tsuchiyas House and an Unshakeable Heart

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

One sentence introduction: Do you love him? Even though he has a human-like face, he has the heart of a beast.

Mermaid Attack × Breeder Shou

One month after Boyce entered the Eureka Marine Research Center, the institute caught a blue male mermaid S-37.

A year later, Boyce became the breeder of this mermaid. After getting along for a while, Boyce found that the fierce and cruel mermaid in front of others was completely different when facing him…

————

Someone asked: “Do you believe that mermaids have the emotion of love?”

Boyce said, “I believe it.”

S-37 asked: “What is liking?”

“I like it…you have minions that are enough to tear me apart, but you can retract your claws when you touch them.”

“what is love?”

“I showed my neck in front of you…”

……

The young experimenter was dragged into the pool by the mermaid. The mermaid restrained its minions, carefully circled the human with its tail, and whispered “I love you too” in his ear.

Ending Cookies: The Daily Life of Dragon Cubs

Content tags: strong fantasy space special liking karmic encounter

Search keyword: Protagonist: Boyce ┃ Supporting role: ┃ Others: Mermaid

One sentence introduction: Mermaid attack & breeder suffer

Purpose: to protect marine life, and to live in harmony with nature

- Description from novelbuddy