If you mash the fragments together, you might imagine something like . That’s the spirit we’ll run with.

The "01" signifies the beginning of a journey, usually establishing the setting—cicadas buzzing, humid afternoons, and the slow pace of country life—which serves as a stark contrast to the explicit nature of the content. Why It Stands Out on Nekopoi

Try converting to proper Japanese: 猫っぽい少年が顔となった夏01 (Nekopoi shounen ga kao to natta natsu 01)