My Sister the Heroine, and I the Villainess - Chapter 15

Shuu is a member of the literary club that can’t write. One day, he gets a mysterious message on his phone from a girl called Eina, and from that impulsive contact, they begin to exchange messages. They talk of things like their shared interest in novels and grow close. However, when they try and meet, they discover a shocking truth. Eina lives… not in the present, but five years in the past! How will their love develop, parted by five years of nights…!?

“With my knowledge, give me a fulcrum on which to place it and I shall move the world!”

…

Sorcerer Continent—a world where sorcerers exist. Wielders of arcane knowledge. Masters of all elements. Sovereigns of space and time. These sorcerers governed the world with their unrivalled prowess. One day, a young man awakened into this world with his past forgotten and no place to call home. Follow along as Glenn, by relying on his luck and wit, tries to survive and advance in this unforgiving world. Entangled within the machinations of fate, political schemes, power struggles and wars, he forges his own path and creates a place for himself.

- Description from Novelupdates

Volume 1 (Set between volumes 13 and 14)

A series of short stories set before the events of volume fourteen including how Team GROUP was formed.

Volume 2 (Set between volumes 16 and 17)

A series of short stories including two separate meetings between Touma’s and Mikoto’s parents, two tales involving two of the Level 5s of Academy City, and other funny stories involving some of the characters.

After catching his wife in bed with another man, Alex died of a heart attack—only to be reincarnated in another world with a MILF System in the frail body of Asher, a sickly teenager.Betrayed and furious for his wife's infidelity, he vows to punish unfaithful women and seize control in his new world. But there's one problem: in this world, women reign supreme over men, blessed with overwhelming strength by the goddess herself. Outmatched and underestimated, Asher refuses to accept his place at the bottom. With the MILF System at his side, he’ll do whatever it takes to shatter the hierarchy and claim absolute dominance—even if it means conquering every woman in his path until he reaches the heavens to claim the ultimate MILF herself: the goddess.But can he rise to power in a world where men are nothing more than playthings?Find out in this wild, boundary-pushing saga!Disclaimer: This book contains intense sexual content and themes of incest. Reader discretion is advised.