When Supernatural Battles Became Commonplace

When Supernatural Battles Became Commonplace is a light novel series that received an anime adaptation which aired in 2014.

The story follows Jurai Ando, a high school student with a strong case of chuunibyou who suddenly gains powers one day along with the other members of the Literature Club at school that he is a part of. However, six months have passed since that day with absolutely nothing changing in their daily lives, leaving them to carry on like usual except now they have superpowers at their disposal.

Episode 4
Chifuyu accidentally leaves everyone in their underwear after dispelling her power. Jurai also strips to his underwear after reaching home.

Episode 10
Jurai accompanies Chifuyu and Madoka to a swimming pool, and Sayumi brings him to the very same pool the next day.

Episode 11
Jurai visits the beach for his family's annual vacation with Hatoko's family.