Hideaki Takizawa

At some point, Irie Manato began to withdraw himself from the world. Even when picked on, it's not the real Irie, but an act. However one day he meets a strange girl - Misawa Yui. Yui, who finds the tedium of everyday life unbearable, teases Manato with her almost too upfront and honest manner. Alone and afraid Manato wavers but finds himself drawn to her. But his feelings for Yui are doomed to be unrequited. (mydramalist)

A young couple played by Takizawa Hideaki and Fukada Kyoko get's married because the girl is pregnant. Their son is healthy until they find out he has cancer at the age of five. How does the young couple deal with that? (imdb)

Note trailer is one for a song not in series but ideal as a trailer. Kyoichi Suzuki is an average college pupil in architecture. His apartment building has some unique residents who place (unusual) demands on him. All is fine tho till he meets the girl whose entrance is unusual to say least - climbing into his flat through a window, as from his flat she can spy on a childhood crush. After the initial meet she, Surumi Kataoka, continues to come & go from Kyoichi's room - & life. (me & unknown)