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The Dangers in My Heart Manga Gets New Spinoff on July 22
posted on by Joanna Cayanan
The official X (formerly Twitter) account of Norio Sakurai's The Dangers in My Heart (Boku no Kokoro no Yabai Yatsu) manga revealed on Friday the manga's new spinoff series titled Boku no Kokoro no Yabai Yatsu Love Comedy ga Hajimaranai (The Dangers in My Heart: A Romantic Comedy Will Not Start), which will launch on July 22 on Akita Shoten's Champion Cross manga website. Haika Nanasaka will draw the manga with full supervision by Sakurai. The spinoff will center on Kyōtarō Ichikawa's older sister Kana.
🎸🎧🎸🎧🎸🎧🎸🎧🎸🎧🎸
— 『僕の心のヤバイやつ』公式@劇場版制作決定!最新12巻6/6発売! (@boku__yaba) June 6, 2025
㊗️#僕ヤバスピンオフ 連載決定㊗️
🎸🎧🎸🎧🎸🎧🎸🎧🎸🎧🎸
「僕の心のヤバイやつ ラブコメディが
始まらない」7/22(火)より
チャンピオンクロスにて連載スタート✨
のりお先生完全監修!
七坂ハイカ先生に漫画を担当して
いただきます✨
おねえのラブコメが始まりそうで… pic.twitter.com/3SuqkVVLVQ

Ichikawa Kyotaro, a boy barely clinging to the bottom rung of his school's social ladder, secretly believes he's the tortured lead in some psychological thriller. He spends his days dreaming up ways to disrupt his classmates' peaceful lives and pining after Anna Yamada, the class idol. But Kyotaro's not nearly the troubled teen he pretends to be...and it turns out Anna's a bit odd herself!
Sakurai launched the manga in Akita Shoten's Weekly Shōnen Champion magazine in March 2018. The manga moved to Akita Shoten's Champion Cross manga website in April 2018. When Champion Cross merged with Akita Shoten's other manga website Champion Tap! to form the new website Manga Cross in July 2018, the manga moved to that new site. The website renewed in April 2024 as Champion Cross. Akita Shoten published the manga's 12th compiled book volume on Friday. Seven Seas Entertainment will publish the manga's 11th volume on August 5.
The manga's light novel adaptation written by Kota Nozomi (When Supernatural Battles Became Commonplace) and illustrated by Sakurai and sune released in Japan on September 25.
An anime adaptation premiered on TV Asahi and its affiliates in the "NUMAnimation" programming block in April 2023. HIDIVE streamed the anime as it aired in Japan.
A second season then premiered in Japan in January 2024, and ended in April that same year. HIDIVE streams an English dub of the second season.
The manga's Twi-Yaba spinoff manga also has an anime that premiered in December 2023. HIDIVE also streams an English dub of the anime special.
The television anime will get a compilation film with some new footage added, and it will also depict the story of Kyōtarō and Anna after the series finale.
Source: The Dangers in My Heart manga's X/Twitter account