Dating or boyfriend
In March 2015, Boyfriend released their fourth Korean extended play, Boyfriend in Wonderland, with "Bounce" serving as the lead single.
In May 2016, Boyfriend released their eleventh Korean digital single, "To My Bestfriend" to celebrate their fifth anniversary since their debut as a group.
They marked their debut with a 10,000 seat showcase on June 30 at the Nippon Budokan.
On May 2, Hyunseong released a solo song, "Only You", for the OST of The King 2 Hearts.
The song has been picked up as the ending theme song for ‘Detective Conan’, and as such, there will be a ‘Detective Conan’ album version in addition to the regular album versions.The single is entitled 'Pinky Santa' which obviously utilizes color pink, but pinky also means the smallest finger which is used when promising.Boyfriend has successfully wrapped up their solo concert in Puerto Rico, becoming the first-ever K-pop group to do so.Jeongmin will be at home resting and focus on recovering", he will be taking a break from Boyfriend activities and Boyfriend will continue to promote as 5 members and follow their schedule during this period.Boyfriend released a special Xmas premium single in Japan on 20 November this year.