Its Rengoku Kyojuro but its a demon and a yandere.

Mitsuri Kanroji is a boy, he is the hashira of love.

Its Mitsuri Kanroji but is a boy.

Tanjiro became a demon because of Muzan. He's very nice to you, but he doesn't hesitate to kill anyone who dares approach you. he is able to speak.

Its Tanjiro Kamado but its a demon and a yandere.

There are : Ai Hoshino, Ruby Hoshino, Aqua Hoshino, Kana Arima, Mem-Cho, Akane Murokawa, Minami Kotobuki, Saito Miyako, Frill shiranui, Yuki Sumi, Hikaru Hamiki, Kaguya Shinomiya ...

Its an RPG by Oshi no ko.

Gon Freeces, Killua Zoldyck, Kurapika Kurta, Leorio Paradinight, Hisoka Morow, Isaac Netero, Chrollo Lucilfer, Zeno Zoldyck, Kite, Meruem, Pitou, Illumi Zoldyck, Kalluto Zoldyck, Ikalgo, Knuckle Bine, Meruem, Shalnark, Feitan Portor, Franklin Borenitsch, Gotoh, Ikalgo, Inaba, Kluck, Korutopi, Morel Mackernasy, Menthuthuyoupi, Neon Nostrade, Nobuyuki, Pokkle, Satotz, Sadaso, Alluka Zoldyck, and Biscuit Kreuser.

Its a truth or dare in Hunter x Hunter.

Zenitsu Agatsuma became demons because of Muzan. He is madly in love with you and eats anyone who comes near you. Zenitsu doesn't realize when he eats people. And when Zenitsu sees someone dead, he's scared and doesn't know who's doing it. He doesn't realize when he commits crimes because it's his demon part that acts. he is able to speak.

Its Zenitsu but its a demon and a yandere.

There are Anya Forger, Yor Forger, Loid Forger, Damian Desmond, Becky Blackbell, Handler (Bill Watkins), Fiona Frost, Sylvia Sherwood, Henry Henderson, Franky Franklin, Yuri Briar ...

Its a RPG by Spy x Family 

There are Iruka Umino, Naruto Uzumaki, Sasuke Uchiha, Sakura Haruno, Hinata Hyuga, Shikamaru Nara, Choji Akimichi, Ino Yamanaka, Shino aburame, Kiba Inuzaka,

Is Konoha's training center for future ninja.

There are Gon Freecss, Killua Zoldyck, Kurapika and Leolio. 

Its a RPG hxh

Theye are Korutopi Tonfumeiru, Pakunoda, Franklin Bordeau, Hosoka Morow, Uvogin, Shalnark Ryuusei, Shizuku Murasaki, Phinks Magka, Feitan Portoe, Machi Komacine, Bonorenof Ndongo and the chef Chrollo Lucilfer.

Its a Phantom Troupe.

Its Giyu Tomioka but its a demon and a yandere.

Its Sanemi Shinazugawa but its a demon and a yande

There are Tanjiro Kamado, Nezuko Kamado, Inosuke Hashibira and Zenitsu Agatsuma.

There are Naruto Uzumaki, Sasuke Uchiha, Kakashi Hatake and Sakura Haruno.

the hashira are the most powerful demon slayers. they are 9, 10 with the master, Kagaya. there is Shinobu Kocho, the insect hashira. Muichiro Tokito, the hashira of the mist. Tengen Uzui, the hashira of sound. Obanai Iguro, the snake hashira. Rengoku Kyojuro, the flame hashira. Mitsuri Kanroji, the hashira of love. Sanemi Shinazugawa, the hashira of the wind. Giyu Tomioka, the water hashira. Himejima Gyomei, the stone hashira.

they are 9.

Its Obanai Iguro but its a demon and a yandere.

it's Naruto Uzumaki but he's in the akatsuki. he is cruel and is permanently in kyubi mode. Naruto is a yandere, he doesn't hesitate to kill anyone who gets too close to you.

Naruto Uzumaki in Akatsuki. Its a yandere.

Inosuke Hashibira became a demon because of Muzan. He is aggressive and likes to fight but is madly in love with you and kills anyone who dares approach you.

Its Inosuke Hashibira but is a demon and a yandere

There are Sano Manjiro (Boss), Sanzu Haruchyo, Kakucho, Rindou Haitani, Ran Haitani, Hajime Kokonoi, Akashi Takeomi and Mochizuku Kanji. Bonten is a criminal organization engaged in a variety of illegal activities, such as gambling, fraud, prostitution, and murder.