Rule 34 Dev - 1boy 1girl 2024 arms_behind_back belly blush capcom doodle erection fat fat_man female flat_chest fupoo greyscale hair_ribbon hetero legs loli long_hair male monochrome navel older_male penis ponytail pubic_hair ribbon robot_girl rockman rockman_(classic) roll sketch stomach straddling sweat thighs tied_hair veins veiny_penis white_background|4217504198