Contains the Complete Volumes 4-6! Vol. 4: With his loyal(ish) assistant Chidori Kaname by his side, Sagara Sousuke is ready for his new career as a private investigator for Jindai High. Whether it's the murder of endangered snails or a local scam operation, Detective Sousuke is on the case! Vol. 5: Problem-solver Sagara Sousuke is at it again, from negotiating peace between warring playground factions to dueling for control of a dojo! Oh, and don't forget leading a yakuza turf war in a mascot suit! Vol. 6: Leaving the mercenary life behind sounds nice--until you realize high school is a battlefield of its own! Navigating romance, subbing in for a movie actor, drafting a prospective student pamphlet... It's all just as intense for Sagara Sousuke!