3
Antique Heart
Antique Heart: Gakuen Benriya Series ／ Antique Heart: School Handyman Series ／ Gakuen Benriya Series: AntiqueHeart ／ アンティーク ハート ／ アンティーク・ハート ／ 学园便利屋 ／ 学園便利屋シリーズ AntiqueHeart
Description
There's an old decrepit building at the edge of the school grounds that hasn't been used for years, and it falls apart a little bit more each day. But the little house holds a secret, as Takahiro and his friends are soon to find out...they wind up making contact with a mysterious entity known as Saki. Can Takahiro save Saki's world from destruction. (Source: Anime News Network)