A 27-year-old man is told not to worry by the 15-year-old girl that he finds out he's being married to. Later, the aforementioned 27-year-old man that was told not to worry by the 15-year-old girl that he found out he's being married to - and is now living with - finds a new girl, coincidentally also 15-years-old, declaring that she wants to live with the initial 15-year-old girl.

Lacking any combat skills, Eustus was just another adventurer stuck at the bottom. That is, until the day his life changed forever when he awakened "Inheritance", the power to gain the memories and abilities of anyone, simply by touching something they once owned! He starts by tapping into the legacies of the heroes who once saved the world: the unmatched Sword Saint, the far-seeing Archer, the god-speed Lancer, the miracle-working Saintess, and the prodigy Archmage… inheriting their very lives and skills! With the strength and spirit of legends flowing through him, Eustus' journey from zero to the strongest in history begins! Source: MU

*"Suddenly, I've become the (temporary) fiancée of an older, perfect noble's son."* Ayame hides the fact that she is a high school student due to family circumstances and goes on a marriage interview. There, she meets Kujou, a perfect and handsome son of a noble, and the next president of his company. Kujou takes a liking to Ayame, and they suddenly find themselves on a date alone! (Source: Starts Shuppan, translated)

Soma, who reincarnated with the memory of the previous life, was awakened to the rare ability "trial and error" that can confirm the skill level numerically, and thanks to that, he was able to raise various levels evenly. At the entrance ceremony at the knight training school that he admired, the student's skill level and skill level are judged and classified, and the top class is certain if the total skill level reaches "200". However, the total level of Soma at this time was "1012", which should have been far above the margin , but the judgment machine could not measure the 4-digit level! As a result, it gave the wrong estimation and Soma has to enter the problem child class. With the skill of "trial and error", Soma causes a big revolution in the aristocratic school! (Source: Futabasha, translated)

Shouta Majima is a high schooler who loves the night, and is often said to be too serious. He lives in a small town in the countryside, and spends each day doing things that are as average as his height. But at night, he felt he didn't need to be that way. Even so, he decided to sneak into school in the middle of the night one night, and found his classmate Akari Tsukimori, who was usually always sleeping, having a "night class". It was then that his life began to change. According to her, studying can change everything. "Studying opens the door to the world. It makes the impossible possible. It can even make it so you can get out of this town. And of course, I'll easily get 100 on tomorrow's test." Thus begins a new age love story where these two take on the world by night! Source: KADOKAWA