Album: 블러드 OST Part.4 (KBS 월화드라마)Release Date: 2015.04.18Track List01. Cell (Feat. 타루, 진현)02. Cell (Inst.) dasi nun tteumyeon modeun ge byeonhagil nan gyesok baraetji hajiman, banbokdoen gotonggwa geojisi nae nuneul garyeotji chajeul su eopseot-teon geon ireobeorin gieogi aniya chameul su eopseotgeon geon jinsireul deopeun mariya nae soge inneun ge mwonji mollado sanggwaneopseo nan chagaun yukche-e
Album: 실종느와르 M OST (OCN 토요드라마) Release Date: 2015.04.19 Track List 01. 자각몽 (Feat. 올티) 02. 자각몽 (Inst.) haruman tto haruman dasi neol bol uman it-tamyeon deo meolli deo gipi nal deryeoga jwo nal ikkeureojwo tumyeonghan neoui moseupgwa dalkomhan moksori joyonghi nal gamssago geudaega joahaet-teon naui misoro dasi Falling Falling Falling again jami deuljyo magi
Album: 3rd Part 2 `Eudaimonia`Release Date: 2015.04.17Track List:01. Lonely Drive02. 그런 사람 (Hello)03. 1분도 못버텨04. 니가 궁금해05. 러브럽06. 반말도 못했어07. 언제쯤일까요 nal bomyeo utjyo geudaerojyo yeojeoninan ulgo itjyo hal su eopjyo amugeotdo neol bomyeon meomchwojin sigan meomchwoseon nae mam gal sudo eomneyo eonjejjeumilkkayo jiwojilkkayo ireoke apeujanayo wae nal tteonanayo jiuryeonayo ireoke himdeuljanayo naneun gin haru
Single: 새끼손가락 (Promise U)Release Date: 2015.04.19Track List01. 새끼손가락 (Promise U)02. 새끼손가락 (Promise U) (Inst.) nuneul gamat-ta tteumyeon meoreojyeoitgo dasi gamat-ta tteumyeon boijil ana oneuldo neoreul geurida tto haruga gireojyeo ijen eodiseo bol si inna nan oneuldo ireoke neoman chatneunde nuneul gamado ip magado nega sae-eo nawaseo nal bichuneun jeo dalbiche bulleodo bogo heulleonaoneun ne ireume