Souta Takatsuki and his neighbor Rikka Amanome have been like brother and sister since they were kids, but his feelings for her run much deeper. With her birthday coming up, he wants to find the perfect gift, which presents itself in the form of a book from a mysterious shop he happens across. The owner doesn't even charge him, saying he'll return to pay eventually...Souta is wholly unprepared for the insatiable passion the book inspires in Rikka, and it seems the ultimate price of this gift may be hefty indeed...

Souta and Rikka are officially boyfriend-girlfriend, but they still haven'tbroken the demon Zepar's curse. Then, one day, Makoto, who had seen Rikka's"grimoire," falls prey to the curse herself. She consults with Souta and theybegin to have a side relationship to keep Makoto's symptoms under control. Butthen Makoto leans into her curse and doesn't even want to be free of it?! Whenthe grimoire's curse catches Makoto in its clutches, Souta, Rikka and Makotoform a love triangle?!

After Makoto’s confession, Souta finds himself having to balance a delicate three-way relationship. Trying to keep both lust-crazed girls satisfied while also keeping his cheating a secret from Rikka is hard enough, but Zepar isn’t through with him yet…as the next to fall victim to her curse is none other than their homeroom teacher, Tateaki-sensei! Faced with the domineering charms of a lonely adult woman, will Souta be sucked into yet another immoral affair?

THE WEAKEST HUNTER OF ALL MANKIND! E-rank hunter Jinwoo Sung has no money, no talent, and no prospects to speak of—and apparently, no luck, either! When he enters a hidden double dungeon one fateful day, he’s abandoned by his party and left to die at the hands of some of the most horrific monsters he’s ever encountered. But just before the last, fatal blow… PING! [Congratulations on becoming a Player.]

Analyzes the feelings and problems involved in different types of human love, including familial affection, friendship, passion, and charity.

A video-game-inspired isekai with plenty of pervy sidequests. After being cancelled on social media, Kuzuno Sekai falls into despair and wishes so hard to leave his life behind that he suddenly finds himself in a fantasy RPG world. He has nothing but the clothes on his back...and his handy game controller. With a press of the pause button, he becomes a literal Time Stop Hero. Running off with money, one-shotting static mobs, and flipping the skirts of every girl in sight, Sekai’s desires are boundless, but his power isn’t! If he doesn’t clear the game in three days, time will stop for Sekai—forever!

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