Twittering Birds Never Fly, Kou Yoneda 
Book
Romance
Thriller
Manga
Book
Romance
Thriller
Manga
Updated: 15 April 2025
No rape or sexual assault
Rape or sexual assault mentioned in passing (in discussion and/or implied)
Sexual harassment (e.g. verbal or non-consensual touching/grabbing)
Sexual relationship between adult and teenager
Child sexual abuse
Incest
Attempted rape
Rape strongly implied/details surrounding a rape discussed in detail (i.e. the events before/after)
Detailed/vivid description of rape

Description

There are many graphic scenes of cruel and violent sex involving a main character. A main character secretly sets up microphones and cameras in a friend's house to record his friend having sex. Multiple graphic panels depict a main character being raped by his stepfather when he was a pre-teen or young child. He frankly discusses these events on numerous occasions. He has flashbacks to these assaults on multiple occasions, including during sex with his partner. A main character describes the time he was raped by a school nurse when he was in junior high. His superior openly masturbates while he is talking and pressures him to continue describing the assault. A main character walks in on his father raping his adopted sister. He attacks his father and is sentenced to prison for nearly killing him. Later, he struggles sexually due to remembering this event and worrying that he might rape someone like his father. There are depictions of a main character being sexually assaulted in prison. A character's significant other is kidnapped and gang raped as punishment. He is shown photos of this.

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