'Users' — those who have honed the art of killing over centuries. Among them, the 'poison users' of the Five Great Families, said to hold the strongest power and authority — **Hikaru Gero** is a young man who inherits that bloodline.
Placed in the underworld trade and having lived without involving himself with women, 'marriage' was something distant for him.
And then Hikaru ends up taking on 'marriage-hunting' through a strange turn of events!? — an unusual romcom × action where an assassin searches for a marriage partner. Airing from April 2026.
📝 魅力・見どころ・特徴 ネタバレ控えめ
01An unusual premise: 'assassin × marriage-hunting'
The unusual premise — the strongest poison-user assassin searching for a marriage partner — is the appeal. The gap between the dangerous underworld trade and sweet marriage-hunting is supremely fun.
02Romcom and action together
The style where sweet romcom and powerful assassination action coexist is the appeal. A greedy work where you can enjoy both laughs and thrills at once.
03The charm of the clumsy hero Hikaru
Hikaru, who has lived without involving himself with women and is clumsy at romance, is the appeal. You can't help rooting for the strongest assassin who struggles at marriage-hunting.
04Distinctive heroines
The distinctive heroines Hikaru meets in his marriage-hunting are the appeal. Their circumstances and feelings intertwine, coloring the story cheerfully.
05Powerful action from the BONES lineage
Powerful action by the skilled BONES FILM is a highlight. Expectations rise for poison-user battles drawn in stylish visuals.
06Banter by a skilled cast
Haruki Ishiya as Hikaru, Shion Wakayama, Soma Saito and more — skilled performers gather. They skillfully play both the serious and comedic sides.
07Theme song by Yurina Hirate
OP 'Kill or Kiss' by Yurina Hirate and ED 'Shakena Baby' by AKASAKI. Theme songs that perfectly fit the unusual romcom × action.
08Drawn in from the start, even unread
The strong, unique hook — the strongest assassin goes marriage-hunting — is the appeal. Even unread, you'll be drawn into its unusual world from episode 1.
💡 注目ポイント・展開予想 軽めネタバレ
The early arc will likely follow the strongest poison-user Hikaru taking on 'marriage-hunting' through a strange turn and meeting distinctive heroines.
Hikaru, who has lived without women, should face romance clumsily while also being drawn into underworld battles as an assassin.
As sweet romcom and powerful action intersect, who Hikaru ends up bonding with — the course of an unusual story is expected to be a major highlight.
🧾 これまでのあらすじ ネタバレあり
Here is the premise: 'Users' — those who have honed the art of killing over centuries. The protagonist is Hikaru Gero, a young man inheriting the bloodline of the 'poison users' of the Five Great Families, said to be the strongest.
Placed in the underworld trade and having lived without women, 'marriage' was distant for him.
And then Hikaru ends up taking on 'marriage-hunting' through a strange turn of events!? — the anime is expected to begin as this unusual romcom × action where an assassin searches for a marriage partner.
✅ 観る・注目するおすすめポイント
Strongly recommended for fans of unusual romcoms and those wanting both romcom and action.
You'll be grinning at the gap-filled story of the strongest assassin clumsily marriage-hunting. With Yurina Hirate's OP, do enjoy a one-of-a-kind world.
👀 トリビア・驚きの小ネタ集
・Protagonist Hikaru is the strongest assassin who inherits the bloodline of the 'poison users' of the Five Great Families.
・The OP is 'Kill or Kiss' by Yurina Hirate and the ED 'Shakena Baby' by AKASAKI.
・The animation is by BONES FILM.
💫 未回収の伏線 ネタバレあり
The unusual romcom × action hides intriguing developments:
● The strange trigger that led Hikaru to take on 'marriage-hunting.'
● The circumstances of the Five Great Families and the underworld trade the strongest poison-user Hikaru bears.
● The feelings of each heroine he meets and whom he bonds with.
● A greater battle or conspiracy lurking in the poison-users' world.
The further the story goes, the more Hikaru's two faces — marriage-hunting and assassination — intersect.
💌 次シーズンで絶対バズる名セリフ予想
● "I can kill, but how am I supposed to do marriage-hunting…"
— Hikaru, clumsy at romance.
● "Kill or Kiss — which are you?"
— A dangerous world where killing and love intersect.
*Predictions based on the work's direction and source.