1girl armpits arms up betanonbeet black one-piece swimsuit blonde hair blue archive breasts casual one-piece swimsuit commentary doodle sensei (blue archive) duplicate hair between eyes heart heart in eye highres large breasts long hair looking at viewer looking over eyewear multicolor-tinted eyewear nagisa (blue archive) nagisa (swimsuit) (blue archive) necklace between breasts official alternate costume one-piece swimsuit presenting own armpit reflection sensei (blue archive) sideboob smile solo swimsuit symbol in eye tinted eyewear very long hair wet wet hair