If the house is left and emptied for more months or years, then don't blame it, if the occupants are supernatural beings.

Marisa and Dino are in one school and one class. Between them there are often quarrels over minor matters. Dino's friends are annoyed with Dino's always giving in, as well as Marisa's friends who like to give advice to Marisa, but Marisa doesn't care, Marisa is still mean to Dino.