Description:

Amane lives alone in an apartment, and the most beautiful girl in school, Mahiru, lives just next door. They've almost never spoken until the day he sees her in distress on a rainy day and lends her his umbrella. To return the favor, she offers him help around the house, and a relationship slowly begins to blossom as the distance between them closes... (Source: Yen Press)

Description:

The story follows a protagonist whose name is written with the characters for "Hoshizora" ("Starry Sky" in Japanese), but whose name is pronounced as "Nasa". On the day of his high school entrance exams, Nasa encounters a beautiful girl named Tsukasa. For Nasa, it feels like destiny is finally calling out to him that he will have a girlfriend, but things take a turn for the worse when Nasa is hit by a car and unable to attend his entrance exams. After Tsukasa helps the injured Nasa, he confesses his feelings to her, and she agrees to go out with him, but only if Nasa agrees to marry her first. A year later Nasa aces the entrance exams, but he decides to work a part time job and live by himself instead of going to school. After Nasa turns 18, Tsukasa re-appears, and their happy, romantic, and mysterious married life together begins. (Source: Crunchyroll)

Description:

Takumi, a gifted chef, was just let go from his job. He lands a gig at an old boarding house called Astro-sou, but hesitates to accept after learning he must also live there full-time. That is until he meets the beautiful and charming caretaker, Mira, and he’s sold. The two begin to work together and their connection deepens. But Mira has a secret: she isn’t from this world! (Source: Crunchyroll)

Description:

Every girl is a mystery when you're a 16-year-old boy, but Mikoto Urabe is in another league. She carries scissors hidden in her panties. She sleeps on her desk every day. She seems to have no friends whatsoever. But none of that can compare to what happens when Tsubaki Akira decides on a whim to taste a drop of her drool while Urabe sleeps. From that moment onward, things between Urabe and Akira are never the same, and the mysterious girl slowly becomes Akira's mysterious girlfriend. Along with their friends Ueno Kouhei and Oka Ayuko, Akira and Urabe try and navigate the minefield of high school first romance and all the strange things that happen along the way.

Description:

Michishio Nagasumi's life couldn't be any more normal. In an odd twist of events, during his summer vacation he ends up almost drowning in the sea. Luckily, the cute mermaid Seto Sun appears to save him. However, Sun is from a yakuza mermaid family and according to their law, if a human is to catch sight of a mermaid, either he or the mermaid must die. The only other way is for Nagasumi to be taken in as a family member, marrying Sun. In attempts to save both of their lives, Nagasumi asks for Sun's hand in marriage. Nagasumi's summer vacation reaped more than what he would expect, as he must now protect Sun from others finding her secret out.