Watari-kun's ****** Is about to Collapse

Watari-kun's * * Is on the Verge of Collapse is a Japanese romantic comedy manga by Naru Narumi. It was serialized in Young Ace (KADOKAWA) from the September 2014 issue (released on August 4, 2014) to the July 2015 issue (released on June 4, 2015). It then moved to Monthly Young Magazine (Kodansha) and began serialization in 2015 No.

Source: Wikipedia