Aru otoko ga Shinyuu no Imouto to Kekkon suru Made no Hanashi

ある男が親友の妹と結婚するまでの話

Source

Aru Osananajimi ga Kekkon suru Made no Hanashi
ある幼なじみが結婚するまでの話
manga

[Pixiv](https://comic.pixiv.net/works/6819)

Spin-off

Child Prodigy and The Beast
Shindou to Moujuu· 神童と猛獣
manga

Sano Ken'ichi is known to others as a prodigy and he doesn't mix well with his surroundings. Suzuki Erina, on the other hand, is called a beast and is often made fun of by those around her. After their first interaction, these two friendless loners quickly became close friends. However, both their families have their own complicated circumstances which their parents are worrying over in their own way. What sort of change will their meeting bring to their family!? This story also showcases the changes and growth undergone by the family members of the two protagonists. Twitter Compilation *Note: The story was first published as part of a doujinshi collection in 2018. It was restarted as a series in 2021 on Twitter. Characters and children of characters from Katou Mayumi's three "Aru" series also appear in this story. *

Parody

Aru Konbini Ten'in ga Koi Suru Hanashi
あるコンビニ店員が恋する話
manga

"The person I like is a kung-fu master." 28 year-old Numajiri is a lethargic convenience store staff who had fallen in love at first sight with a lady customer. It turns out that the lady is the daughter of a family that runs a kung-fu dojo. In his effort to get on her good side, he fervently began to take up kung-fu and gradually became absorbed in it... This story shows how Numajiri struggles and doesn't give up on his love for a woman who's out of his league.