The smash-hit anthropomorphic cell fantasy’s latest spinoff features a fearsome Killer T Cell as its protagonist! Killer T Cells are the assassins who destroy virus-infected cells and other foreign contaminants to keep things peaceful inside the body. The Squad Leader of the Killer T Cells is feared by all ... but he wants to change his public persona! He wants friends! But he can’t just say so! Solo karaoke, hot pot parties, and smartphones ... Cells using modern gadgets in their daily lives unexpectedly result in one hilarious situation after another!

Can even cells go swimming in the ocean?! Attend a summer festival?! Take part in workplace recreational volleyball?!! Squad Leader wants to make friends, but just can’t admit it to anyone. The head honcho of the body’s professional hitmen, the Killer T Cells, takes the leading role as this hilarious spin-off of Cells at Work! enters its 2nd volume! Silver fox Memory Cell and party dude B Cell… Squad Leader gains more acquaintances, but the door to his heart remains firmly shut! You’ll laugh, your heart will flutter, and you’ll learn to love your body as you read this spin-off full of happiness and smiles♪

Mast Cell cares more about living the life of an otaku than he cares about the necessities of life, uses a smartphone too much and develops straight neck. When he goes to a chiropractor recommended by Memory Cell… for some reason he turns into a baby again!? Having a tiny body again, he remembers important things he had forgotten. Amazing! He’s working! He’s giving it his best! Volume 5 of the popular spin-off which you can enjoy no matter where you start reading from. You just might end up learning something while you’re at it.

Here comes a new Cells at Work! spinoff series—with laughs galore! Erythroblasts are cells raised by a Macrophage in order to become promising Red Blood Cells, but that doesn’t seem to be really the case here with these erythroblasts, who are on an indefinite moratorium—with no reason to work!

Don’t grab hold, Squad Leader! Having arrived at the Peyer’s patch, his trusted compatriots… turn on him in seconds!? The unlucky M Cell, Naive T Cell brimming with a sense of duty, and the ever anxious NK Cell take the stage making the Squad Leader’s world even more lively. Does this happen to mean he’ll make some friends…?! (He wasn’t able to.) Your heart racing with a smile across your face, when you read this happy spin off you’ll come to love the body.

"Even though he wants to make friends, Killer T Cell is as fantastic a killer as ever. Nevertheless, at some point he’s sure to eventually live a life with someone by his side… Spring arrives in the intestines, and the falling of the cherry blossoms brings with it partings and new acquaintances…!! The grand finale of the highly acclaimed spin-off in which you can laugh, learn, and come to love your body!"

Spring festivities! Staying up all night in the summer! Even a Killer T Cell, the cool-headed professional hitman, wouldn’t say no to these seasonal pleasures☆ However, the time when the seasons change is also a dangerous time for the body! Even cells that are supposed to be allies to Squad Leader just keep causing trouble and throwing the cells’ workplace into chaos! Can Squad Leader overcome this ordeal and enjoy his days off…?! Every chapter is a standalone story, so you can just start reading from this volume. You’ll find yourself laughing your head off as you read this hilarious spin-off of the popular Cells at Work! series☆