Hiyori Asahina/Relationships

Hibiya

 * One of Hiyori's best friends. He came to visit the city to take summer courses with her. He was the only one saved in the groundhog-day time loop on August 15th although he tried to save her instead.

Konoha

 * Hiyori fell in love with Konoha, who was staying at her sister's house when she came to take summer courses with Hibiya.

Ayaka Tateyama

 * Hiyori's older sister.

Kenjirou Tateyama

 * Hiyori's brother-in-law.

Ayano Tateyama

 * Hiyori's niece.

Momo Kisaragi

 * Momo is the idol which Hiyori wanted an autograph from. Kenjirou called Hiyori, offering to come to town to get the autograph, seeing as it would be an easy task for him as her teacher. Hiyori really loved and admired Momo.