病名恋ワズライ (Byoumei Koi Wazurai)

Background
This song was uploaded onto Niconico Douga and YouTube on December 17, 2013. It has entered the Hall of Legend with over 1 million views on Niconico. Its Youtube upload has also gained over 15.4 million views.

It's part of Honeyworks' Confession Executive Committee Love Series and it's about Natsuki's feelings for Yuu, taking place before the events of Kokuhaku Yokou Renshuu.

"Byoumei Koi Wazurai" is featured in HoneyWorks' album Zutto Mae Kara Suki Deshita. and a version sang by Natsuki's voice actress,, is included in Boku Ja Dame Desu Ka?.