Self-proclaimed ultimate introvert Natsuki Haibara has more high school regrets than he can count... So when he suddenly travels back to a time before those disastrous days, will he be able to make the most of a second shot at his teenage years?
Shiina, a freshman in college, lives a cozy life in Niigata Prefecture while dating her coppersmith boyfriend, Shuu. The one thing she's not ready for is Shuu's sudden proposal! Barely out of high school, is she ready for married life?
Yotsuba always knew that her friends Yuna and Rinka were made for each other...until one day they both ask her out! And she says yes to them both on impulse! Can Yotsuba keep her accidental two-timing under wraps and make her new girlfriends happy?
Three years have passed since dungeons appeared on Earth. After accidentally gaining a skill that turns dungeon diving into an RPG, office worker Keigo becomes the world’s top explorer. Can he turn status screens into piles of cash and quit his job?
In what can only be called a folly of youth, I had a girlfriend towards the end of middle school. Thank god we broke up! There’s no girl nastier than her. I never want to see her again! Wait, who’s that with my stepmom?! Oh god, it’s her!
The world suddenly finds itself faced with 666 dungeons and 10 years to clear them all...or face total annihilation. How will each country react? What can Ezoe Kazuhiko and his newfound companions do in the face of overwhelming despair?