Hekicha (碧茶, hkc) is an illustrator known for joining various collaborations. Out of all her works, KOKORO - The Perfect PROGRAM and Akuno-P's The Fifth Pierrot are her most notable to date. Most of her works involve Kagamine Len, often in single-illustration PVs.
Hekicha's illustration for 150P's most notable song. It's sung by a "12-chorus Len" (using all of Kagamine Len's voicebanks from Act1 to Appends) It's 150P's most notable song; his first to have exceed 100,000 views. Later on, it was covered by Kaito Append as well.