Resized to 53% of original (view original)
Artist's commentary
"The Council of Five Elders' Boobs（･ 人 ･） New Years' Greetings"
Happy new year! (Light Grenade Same kanji as Piccolo's Light Grenade? belated greetings)
Best wishes for the new year！m(_ _)m
Original commentary also contains description for post #3776665, which is included in the same pixiv post