aoya (ayoyame18), azuma sara, jinnai enta, kuji toi, yasaka kazuki, sarazanmai, highres, 3boys, air bubble, blue hair, bubble, cellphone, character charm, charm (object), collared shirt, green eyes, grin, hand on another's shoulder, happy, holding, holding phone, male focus, multiple boys, necktie, open mouth, phone, round eyewear, scene reference, selfie, shirt, short hair, smartphone, smile, striped necktie, underwater, v, wet, wet hair, white shirt