Even though you like my older sister, the person Senpai will be going out with is me! His confession to his classmate, Ayahi, the girl he yearns for was a massive failure and it's all her little sister, Azuki's fault, because she interferred! "I'm sorry, Senpai. As an apology, how about i let you do all the things you wanted to do with my older sister, with me instead?" Just like that, Azuki started teasing me more and more... (Source: Fantasiabunko, translated)

from fictiondb: Proud, beautiful Clare Harrison is a working girl with no time for romance -- until a chance meeting with the unforgettable millionaire Mark King makes her reconsider! Clare decides to have some fun with the bachelor playboy. A no-strings affair with Mark could be just what she needs to take her mind off her work! But Clare is unprepared for the sexy twinkle in his eye, and the provocative intimacy between them. She soon realizes she's accidentally fallen for him....

In the *Doukyo Chuu!* series: V.1 - *Doukyo Chuu!* V.2 - *Soredemo Doukyo Chuu!*

Crappy TL of publisher's annotation: One day to the next door of apartment where living a high-schooler Tatsumi Etou, moves somehow younger than him pretty little girl. But what if that little girl asks Tatsumi to be his little sister? No problem if she is cute, even if they not related by blood! This is how enviable youth life is start.

A group of junior high school students are trapped in the western mansion known as "Jail House," rumored to be haunted by a blue humanoid monster. Splitting up to search for exits to escape the mansion, the students are now being stalked by the pursuing blue monster, going after their lives.