Seal It With A Kiss

When Takashi Shirogane goes missing on the Kerberos mission and no one goes looking for him, Keith is forced to take drastic measures.

More specifically, he summons and binds himself to a greater incubus named Kurobasanir.

Contains:

• Seal It With A Kiss (15 chapters + epilogue, includes table of contents with hyperlinks)
• Art by the marvelous @ _santinos on Twitter/@santeria on Tumblr

145k words. Uses Linux Libertine and OptimusPrincepsSemiBold fonts.