Kusozako Boukou Oshii-san
2024Ongoingeroticamanga
ComedyEcchiRomanceSchool Life
The high school freshman Kishino Mamoru was expecting a fateful encounter and he met the pretty girl classmate Oshii Koko, and happened to know her secret. To his surprise, he found out Oshii-san's bladder is super weak...!! To not 'leak' this secret, Kishino Mamoru swore to protect Oshii-san('s bladder).
Authors: TsuttsuArtists: Tsuttsu
Chapters
Team
Chapter
Ch. 13 · Surprise Attack
2025-08-29• Necrofantasia Scans
Ch. 12 · It's Only for Today
2025-08-23• Necrofantasia Scans
Ch. 11 · Guilt
2025-07-23• Necrofantasia Scans
Ch. 10 · Help Me
2025-07-20• Necrofantasia Scans
Ch. 9 · Nailed
2025-07-13• Necrofantasia Scans
Ch. 8 · The Witness
2025-06-24• Necrofantasia Scans
Ch. 7 · Urine Test of the Two
2025-05-30• Necrofantasia Scans
Ch. 6 · Locked Room Wetting Case (Part 2)
2025-05-18• Necrofantasia Scans
Ch. 5 · Locked Room Wetting Case (Part 1)
2025-03-21• Necrofantasia Scans
Ch. 4 · Pee-Holding Fitness Test (Part 2)
2025-01-19• Necrofantasia Scans
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Alternate Titles
クソザコボウコウ押井さん[ja]Kusozakoboukou Oshii-san
Categories
Twintail/sUrinationOmorashiPeeSchoolSchool Girl/sMasturbationFingeringPubic HairFetishHigh SchoolHigh School Student Female LeadHigh School Student Male LeadHigh School Student/sMale ProtagonistEmbarrassing Situation/sHumiliationPerverted Female LeadPopular Female LeadPremature EjaculationStudent-Student RelationshipFemale Lead Falls in Love First