This image is unavailable on Donmai. Go to Danbooru or disable safe mode to view (learn more).
Artist's commentary
Tenshi: "Iku! I don't want to bed yet! Play with me!"
Iku: "You are not allowed to stay up late, now get to sleep!"
ZZAP!
Tenshi: "YAAAAAaaaarrrghhh...zzz...zzz...."