Aishiteruze Baby Volume 1
A boy name Kippei Katakura who is kinda a playboy starts taking care of this little girl Yuzuyu because her mom disappeared. And then he starts to like Yuzuyu. he makes a bento for Yuzuyu's lunch because she misses her mom making her bento's. And later one of Kippei's stalkers starts to pick on Yuzuyu. and Kokoro tells Kippei the stalkers name is Kyoko Onda, Kippei goes and talks to this girl he tells her to leave Yuzuyu alone. at the end it shows Kippei and Yuzuyu asleep together and Kippei's older sister gets a letter from Miyako Sakashita which is Yuzuyu's mom!