I’ll Give It My All … Tomorrow (vol. 1) by Shunju Aono, English adaptation by Akemi Wegmüller
At 40, Shizuo Oguro lives with his cranky father, his helpful teenage daughter, and has had the same job for 15 years. He couldn't exactly say "what was wrong with [his] life." But his sudden need to "find [him]self" means quitting his job, starting up...