From Decadence:

He’s a little difficult to understand, but he’s kind.

Due to a renovation, high school student, Mayama Suzu, has to freeload at the home of one of her mom’s friends.
However, the family’s son is actually her classmate, Saeki Hotaru, who’s a total downer.
Thus begins their sudden co-habitation due to special circumstances, all the while keeping it a secret at school.
She had always wanted to close the distance, but living together under one roof is the distance of love…

This is Mogusu, author of “Koi to Yobu ni wa Kimochi Warui”’s long awaited new serialization!!!

The series has been on hiatus since October 2022.