"Lonely Girl", a hot media outlet that is currently attracting attention from various fields, has released its fourth compilation album under the concept of "I'm a little tired ... // I'm a little tired ...", and this album is a single cut version from the compilation album. The result is a compilation that can be integrated into daily life, providing listeners with a chill moment before working, studying, listening to café music, or going to sleep. The artwork was created by Tomoko Oshima, an illustrator and manga artist, and features an illustration of a lonely girl that stirs the imagination.