Boyfriend (Fuyumi Soryo)

Boyfriend (ボーイフレンド) is a Japanese shojo manga series written and illustrated by Fuyumi Soryo. It received the 33rd Shogakukan Manga Award for best shōjo manga in 1987.

An anime OVA adaptation produced by Magic Bus aired on TV Tokyo from February 11, 1992. In 2008, the manga was posted on Yahoo! Comic Japan's website for free browsing, in order to celebrate Shōjo Comic magazine's 40th anniversary.

Plot
Masaki Takatō is the second youngest of four sons, and is seemingly a delinquent by nature. His hot temper has put a wedge between himself and his strict father, gotten him kicked out of school, and tossed in another school which is notoriously horrible for the one thing he's truly good at—basketball. At his new school, Masaki meets the willful Kanako Yūki, a girl with a heart condition that forces her to repeat two years of school. It is this chance encounter that may serve as a catalyst for change, as the indefinable connection she feels with Masaki draws them together...