「全力で、愛していいかな?」は建設現場で働く篁千世(たかむらちよ)と、“ただのランチ友達のおじさん”と思っていた瀬尾一愛(せおいちか)が織りなす恋愛マンガ。自分が疲れきって渇いていると気づいていた千世が、瀬尾に告白されたことから物語が動き出す。。A troupe of struggling stage actors is rehearsing for a small-town production of a play. Everything seems to be as it should until one of the cast members turns up dead. In a panic, the others try to get out, only to find they are now locked in the theater with the killer! Which one of them committed the murder, and who will get out alive?。