Kippei Katakura

Kippei Katakura from the anime "Aishiteruze Baby★★" is an easygoing teenager who unexpectedly finds himself taking care of a young girl named Yuzuyu. His first attempt at making her lunch results in a gigantic onigiri, which Yuzuyu happily eats because Kippei made it. Throughout the series, he becomes more responsible, gains a girlfriend named Kokoro, and while he remains a bit flirtatious and not very bright, he shows kindness and affection.