, shortened as Otomai (おとまい) is a Japanese light novel series written by Myon and illustrated by Giuniu. It began as a web novel posted on the Kakuyomu website between November 2021 and July 2023. Kadokawa Shoten began publishing it under their Kadokawa Sneaker Bunko imprint in March 2023, with eight volumes published as of January 2026. A manga adaptation illustrated by Junko Shiba began serialization on Kadokawa Shoten's Comic Newtype manga website in June 2023, and has been compiled into five volumes as of June 2026.

Plot The series follows Hayato Dōmoto, an orphan high school student who rescues the Shinjō family after their home is infiltrated by a robber. The two daughters, his classmates Arisa and Aina, thankful for his rescue, become deeply attached to him. The two sisters, who are the most popular girls in class and are notorious for disliking men, fall in love with him and try to get his love.

Characters

A high school student who lives alone following the death of his parents. He rescues the Shinjō family after their home is infiltrated by a robber. Although he donned a pumpkin mask to hide his identity, Aina and Arisa find out anyway.

Arisa's younger sister. She becomes attached to Hayato and wants to carry his baby. She originally hated men due to an incident in the past, but falls in love with Hayato after realizing she was their family's rescuer.

Aina's older sister. She is deeply protective of Aina and is initially jealous of Hayato. She later falls in love with Hayato after finding out his identity and wishes to become his "slave".

Arisa and Aina's mother. She raised them by herself after her husband's death. Hayato came to their rescue after a robber attacked their home and kept her hostage.

Media Light novel Written by Myon, the series was originally posted as a web novel titled on the Kakuyomu website between November 23, 2021, and July 29, 2023. It was later picked up for publication by Kadokawa Shoten, which began publication under their Kadokawa Sneaker Bunko imprint and features illustrations by Giuniu. The first volume was released on March 1, 2023; seven volumes have been released as of January 2026. A promotional video featuring narration by Chika Anzai was posted on YouTube to promote the first volume's release.

Manga A manga adaptation illustrated by Junko Shiba began serialization on Kadokawa Shoten's Comic Newtype manga website on June 27, 2023. The first volume was published on April 9, 2024; Five volumes have been released as of June 2026.

Other An ASMR product was released on March 1, 2025.

Reception It was reported in October 2024 that the light novels and manga combined had sold over 150,000 copies physically and digitally.

References

External links Web novel at Kakuyomu Light novel official website Manga official website