"I'm going to take revenge on them."
Yuusuke Midorikawa, a high school boy, has a girlfriend named Kayo Yoshioka, who was his childhood friend. After many years, he confessed his long-standing feelings for her and they officially became lovers; but it seems she's becoming estranged from him lately.
One day, while he worried over these age-appropriate problems, he witnesses Kayo and another boy who seems to have hit it off with her, leaving a karaoke place by themselves. Yuusuke, unable to put his feelings in order, is met the next day by a pretty classmate named Kotone Shiraki, who introduces herself as the girlfriend of Iketani, the boy he saw with Kayo.
The colors of youth will change with the meeting of these two!
This is a bittersweet — but more sweet than bitter — youth romantic comedy!
Koibito Swap has finished publishing and it has 10 Chapters. It is also Known as: コイビト・スワップ, Koibito Swap
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Top 5 Manga Like Koibito Swap [2026 List]
5. Koibito Swap
"I'm going to take revenge on them."
Yuusuke Midorikawa, a high school boy, has a girlfriend named Kayo Yoshioka, who was his childhood friend. After many years, he confessed his long-standing feelings for her and they officially became lovers; but it seems she's becoming estranged from him lately.
One day, while he worried over these age-appropriate problems, he witnesses Kayo and another boy who seems to have hit it off with her, leaving a karaoke place by themselves. Yuusuke, unable to put his feelings in order, is met the next day by a pretty classmate named Kotone Shiraki, who introduces herself as the girlfriend of Iketani, the boy he saw with Kayo.
The colors of youth will change with the meeting of these two!
This is a bittersweet — but more sweet than bitter — youth romantic comedy!
Koibito Swap has finished publishing and it has 10 Chapters. It is also Known as: コイビト・スワップ, Koibito Swap
4. Kanojo ga Senpai ni NTR-reta node, Senpai no Kanojo wo NTR-masu
Yuu Isshiki, a first-year college student, has a charming girlfriend, Karen Mitsumoto. However, one day Yuu discovers that Karen has an adventure with her Senpai, Kamokura Tetsuya. Angry, sad and desperate, he calls Kamokura's girlfriend, Sakurajima Touko, from which she is said that she is the most beautiful girl in the institute. "Touko-senpai. Please, have an adventure with me. " But Touko said: "I can not let me fool me. I have to push my opponent at the bottom of despair. " Her's plan is then to continue falling in love and, finally, to break it as the night with another man.
Kanojo ga Senpai ni NTR-reta node, Senpai no Kanojo wo NTR-masu is currently publishing and has Chapters. It is also Known as: 彼女が先輩にNTRれたので、先輩の彼女をNTRます, My Girlfriend Cheated on Me With a Senior, so I’m Cheating on Her With His Girlfriend, Kanojo ga Senpai ni NTR-reta node, Senpai no Kanojo wo NTR-masu, 彼女が先輩にNTRれたので、先輩の彼女をNTRます, แผน NTR แฟนรุ่นพี่ แค้นนี้ต้องชำระ, 因为女朋友被前辈NTR了，所以我也要NTR前辈的女朋友
3. Second
Sora with the scars of love ended just in seconds. Lover and best friend happens to hamkkehan of aftershocks overnight. Their dangerous and thrilling secrets of the triangle begins...
has finished publishing and it has 34 Chapters. It is also Known as: セカンド, 세컨드, 세컨드 (안나래)
2. Isekai Furin Ⅱ: Michibika Reshi Hitozumatachi to Bukiyo Tensei Yuusha
Yuto Aida, an ordinary businessman, witnesses his wife cheating on him at home! When he runs away from the scene, he was hit by the “typical truck” - and is reborn in another world as a hero! However, due to a misunderstanding with the goddess of reincarnation, he only acquires one single skill... “absolute seduction of married women"?
Isekai Affair 2 has finished publishing and it has 72 Chapters. It is also Known as: 異世界不倫Ⅱ～導かれし人妻たちと不器用転生勇者～, Isekai Furin ll ~Michibika Reshi Hitodzuma Tachi to Bukiyo Tensei Yuusha~
1. Kanojo ga Senpai ni NTR-reta node, Senpai no Kanojo wo NTR-masu
Yuu Isshiki, a first-year college student, has a charming girlfriend, Karen Mitsumoto. However, one day Yuu discovers that Karen has an adventure with her Senpai, Kamokura Tetsuya. Angry, sad and desperate, he calls Kamokura's girlfriend, Sakurajima Touko, from which she is said that she is the most beautiful girl in the institute. "Touko-senpai. Please, have an adventure with me. " But Touko said: "I can not let me fool me. I have to push my opponent at the bottom of despair. " Her's plan is then to continue falling in love and, finally, to break it as the night with another man.
Kanojo ga Senpai ni NTR-reta node, Senpai no Kanojo wo NTR-masu has finished publishing and it has 17 Chapters. It is also Known as: 彼女が先輩にNTRれたので、先輩の彼女をNTRます, My Girlfriend Cheated on Me With a Senior, so I’m Cheating on Her With His Girlfriend
