Tsukumo Happy Soul (99(ツクモ)ハッピーソウル) is a Japanese manga written and drawn by Kendi Oiwa.
As Yukiji enters Mizuhozaka Girls’ Academy Tamakichi constantly puts in a troublesome appearance.
Shinazuki Tamakichi: A perverted Tsukumo whose object he comes from is a pink vibrator with a happy face, the blunt of many jokes in the chapters.
Mitsuki: An eccentric girl who takes out her emotions on others with her Tsukumo or cellphones, Kei.
Furukawa Miku: A girl who has a Tsukumo of the headband she wears all the time, named Popuri.