Takutore!

Chapter 7: Inner Muscle Stretch
Chapter 6: Wide Leg Stretch
Chapter 8: Ab Destroying Hiit
Chapter 6: Wide Leg Stretch
Chapter 8: Ab Destroying Hiit
Taku, a high school student, is depressed after being diagnosed with being on the verge of obesity. At an event he attended to heal his heartbreak, a woman he liked asked him to do something... he starts training at home!
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