First Call summary:

“I love you, doctor. Please become my wife.”Takara Souta, a young and revered orthopedic surgeon, is brought in to work on a handsome man with a pierced penis—The man turned out to be Ibu Seiichirou, the young leader of the Ibu clan and the largest crime syndicate in the Kanto region!Ibu, who has fallen in love with Souta, the man who saved him, suddenly kisses and proposes to him, asking him, “to be his miss”!A story too sweet to exist! The dangerous love comedy between a yakuza leader and a (virgin) orthopedic surgeon is finally comicalized! Includes a newly drawn manga, "Sudden Herpangina".