Artist wrote:

ハートの弾幕

こいしそれハートちゃうこころや。　自分のなかでこいしちゃんは妙にネタにしやすい気がする。

Something about throwing her heart at Satorin?

Schrobby said:

Something about throwing her heart at Satorin?

If I remember correctly, kokoro means heart.

laisy said:

If I remember correctly, kokoro means heart.

Yeah, that's the pun I guess.

Koishi said:

Here sister, take all of my Kokoro!

Heart Attack

Would this be clever/stupidly clever due to the pun?

I know she's known for using heart danmaku, but this is ridiculous.

AkaneYakumo said:

I know she's known for using heart danmaku, but this is ridiculous.

Talking about this, i'm surprised noone ever did jokes about Rumia throwing Mystia as danmaku.