https://www.cmoa.jp/title/295430/

Runa has a crush on her kind and handsome teacher, Mr. Itsuki. But one day, she discovers his true nature-he's not the person she thought he was at all. Instead of the caring teacher she admired, he's manipulative and unethical. Now, her school days are filled with him teasing and tormenting her, and even though she knows she shouldn't take him seriously, she can't help the way her heart races whenever he's around. This is the story ofa complicated and forbidden attraction between a high school girl and her teacher. (Source: Kodansha, translated)

A life-changing death game where you lie about your name, lie about your gender, follow lies and instincts, and risk your life and money.. A full-fledged spin-off depicting the unknown deadly battle of the participants who advanced to the main battle is now starting! (Source: Square Enix, translated)

"If it's the two of us, I'm sure there's nothing to be afraid of." Mizuki Ayase, who lives in a seaside town with a mermaid legend, was the only one at school who smiled and lied. However, something happens and she starts spending time with Sou Hasumi, the lone wolf in her class. The two of them have a "secret" in common... (Source: Ichijinsha, translated) *Note: Includes one extra chapter.*

Maishiro Hagoromo is the leader of the popular idol group "full Colorful," but her personal favorite is a new member, Benirin Okuma, who has just recently joined the group. One day, the president of their management firm summons them to his office to propose forming a spin-off unit with the concept of “marriage"! This is a romantic comedy between senpai and kouhai.